[Flash] Delete PPB_Broker_Trusted, PPP_Broker APIs

- Removes PPB_Broker_Trusted and PPP_Broker APIs.
- Removes Broker related messages and browser implementation.
- Removes kPpapiBrokerProcess and kPpapiFlashArgs content flags.
- Removes kPpapiBrokerProcess Sandbox flag. No plugin processes
  can generate executable code.
- Removes PluginGlobals::GetCmdLine method.

Bug: chromium:1064652,chromium:1133894,chromium:1133887
Change-Id: I697aeae388f1d14edcb737579830a35fcac390f1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2473438
Reviewed-by: Scott Violet <sky@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Bill Budge <bbudge@chromium.org>
Cr-Commit-Position: refs/heads/master@{#817905}

chrome/app/chrome_main_delegate.cc

@@ -266,8 +266,7 @@ void AdjustLinuxOOMScore(const std::string& process_type) {
     score = content::kPluginOomScore;
   } else if (process_type == switches::kUtilityProcess ||
              process_type == switches::kGpuProcess ||
-             process_type == switches::kCloudPrintServiceProcess ||
+             process_type == switches::kCloudPrintServiceProcess) {
-             process_type == switches::kPpapiBrokerProcess) {
     score = content::kMiscOomScore;
 #if BUILDFLAG(ENABLE_NACL)
   } else if (process_type == switches::kNaClLoaderProcess ||
@@ -311,7 +310,6 @@ bool SubprocessNeedsResourceBundle(const std::string& process_type) {
       process_type == switches::kNaClLoaderProcess ||
 #endif
       process_type == switches::kPpapiPluginProcess ||
-      process_type == switches::kPpapiBrokerProcess ||
       process_type == switches::kGpuProcess ||
 #endif
       process_type == switches::kRendererProcess ||
@@ -980,14 +978,12 @@ void ChromeMainDelegate::PreSandboxStartup() {
     DCHECK(command_line.HasSwitch(switches::kLang) ||
            process_type == switches::kZygoteProcess ||
            process_type == switches::kGpuProcess ||
-           process_type == switches::kPpapiBrokerProcess ||
            process_type == switches::kPpapiPluginProcess);
 #else
     DCHECK(command_line.HasSwitch(switches::kLang) ||
            process_type == switches::kZygoteProcess ||
            process_type == switches::kGpuProcess ||
            process_type == switches::kNaClLoaderProcess ||
-           process_type == switches::kPpapiBrokerProcess ||
            process_type == switches::kPpapiPluginProcess);
 #endif
 

chrome/browser/BUILD.gn

@@ -5825,8 +5825,6 @@ static_library("browser") {
       "renderer_host/pepper/device_id_fetcher.h",
       "renderer_host/pepper/monitor_finder_mac.h",
       "renderer_host/pepper/monitor_finder_mac.mm",
-      "renderer_host/pepper/pepper_broker_message_filter.cc",
-      "renderer_host/pepper/pepper_broker_message_filter.h",
       "renderer_host/pepper/pepper_isolated_file_system_message_filter.cc",
       "renderer_host/pepper/pepper_isolated_file_system_message_filter.h",
     ]

chrome/browser/chrome_content_browser_client.cc

@@ -2359,7 +2359,6 @@ void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
       embedder_support::kOriginTrialDisabledFeatures,
       embedder_support::kOriginTrialDisabledTokens,
       embedder_support::kOriginTrialPublicKey,
-      switches::kPpapiFlashArgs,
       switches::kPpapiFlashPath,
       switches::kPpapiFlashVersion,
       switches::kReaderModeHeuristics,

chrome/browser/chromeos/login/chrome_restart_request.cc

@@ -125,7 +125,6 @@ void DeriveCommandLine(const GURL& start_url,
     ::switches::kGpuSandboxStartEarly,
     ::switches::kNumRasterThreads,
     ::switches::kPlatformDisallowsChromeOSDirectVideoDecoder,
-    ::switches::kPpapiFlashArgs,
     ::switches::kPpapiFlashPath,
     ::switches::kPpapiFlashVersion,
     ::switches::kPpapiInProcess,

chrome/browser/metrics/perf/process_type_collector.cc

@@ -105,8 +105,6 @@ std::map<uint32_t, Process> ProcessTypeCollector::ParseProcessTypes(
       process = Process::ZYGOTE_PROCESS;
     } else if (type == switches::kPpapiPluginProcess) {
       process = Process::PPAPI_PLUGIN_PROCESS;
-    } else if (type == switches::kPpapiBrokerProcess) {
-      process = Process::PPAPI_BROKER_PROCESS;
     }
 
     process_types.emplace(pid, process);

chrome/browser/metrics/perf/process_type_collector_unittest.cc

@@ -22,7 +22,6 @@ void GetExampleProcessTypeDataset(std::string* ps_output,
     4000 /opt/google/chrome/chrome --log-level=1 --type=utility
     5000 /opt/google/chrome/chrome --type=zygote
     6000 /opt/google/chrome/chrome --type=ppapi
-    7000 /opt/google/chrome/chrome --type=ppapi-broker
     7100 /opt/google/chrome/chrome --type=random-type
     7200 /opt/google/chrome/chrome --no_type
   129000 /opt/google/chrome/chrome --ppapi-flash-path=..../libpepflashplayer.so
@@ -41,8 +40,6 @@ void GetExampleProcessTypeDataset(std::string* ps_output,
       5000, Process::ZYGOTE_PROCESS));
   process_types->insert(google::protobuf::MapPair<uint32_t, Process>(
       6000, Process::PPAPI_PLUGIN_PROCESS));
-  process_types->insert(google::protobuf::MapPair<uint32_t, Process>(
-      7000, Process::PPAPI_BROKER_PROCESS));
   process_types->insert(google::protobuf::MapPair<uint32_t, Process>(
       7100, Process::OTHER_PROCESS));
   process_types->insert(google::protobuf::MapPair<uint32_t, Process>(

chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.cc

@@ -5,7 +5,6 @@
 #include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
 
 #include "build/build_config.h"
-#include "chrome/browser/renderer_host/pepper/pepper_broker_message_filter.h"
 #include "chrome/browser/renderer_host/pepper/pepper_isolated_file_system_message_filter.h"
 #include "content/public/browser/browser_ppapi_host.h"
 #include "ppapi/host/message_filter_host.h"
@@ -36,19 +35,6 @@ ChromeBrowserPepperHostFactory::CreateResourceHost(
   if (!host_->IsValidInstance(instance))
     return std::unique_ptr<ResourceHost>();
 
-  // Private interfaces.
-  if (host_->GetPpapiHost()->permissions().HasPermission(
-          ppapi::PERMISSION_PRIVATE)) {
-    switch (message.type()) {
-      case PpapiHostMsg_Broker_Create::ID: {
-        scoped_refptr<ResourceMessageFilter> broker_filter(
-            new PepperBrokerMessageFilter(instance, host_));
-        return std::unique_ptr<ResourceHost>(new MessageFilterHost(
-            host_->GetPpapiHost(), instance, resource, broker_filter));
-      }
-    }
-  }
-
   // Permissions for the following interfaces will be checked at the
   // time of the corresponding instance's methods calls (because
   // permission check can be performed only on the UI

chrome/browser/renderer_host/pepper/pepper_broker_message_filter.cc

@@ -1,71 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/renderer_host/pepper/pepper_broker_message_filter.h"
-
-#include <string>
-
-#include "chrome/browser/content_settings/host_content_settings_map_factory.h"
-#include "chrome/browser/profiles/profile.h"
-#include "components/content_settings/core/browser/host_content_settings_map.h"
-#include "components/content_settings/core/common/content_settings.h"
-#include "content/public/browser/browser_ppapi_host.h"
-#include "content/public/browser/browser_task_traits.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/render_process_host.h"
-#include "ipc/ipc_message_macros.h"
-#include "ppapi/c/pp_errors.h"
-#include "ppapi/host/dispatch_host_message.h"
-#include "ppapi/proxy/ppapi_messages.h"
-#include "url/gurl.h"
-
-using content::BrowserPpapiHost;
-using content::BrowserThread;
-using content::RenderProcessHost;
-
-PepperBrokerMessageFilter::PepperBrokerMessageFilter(PP_Instance instance,
-                                                     BrowserPpapiHost* host)
-    : document_url_(host->GetDocumentURLForInstance(instance)) {
-  int unused;
-  host->GetRenderFrameIDsForInstance(instance, &render_process_id_, &unused);
-}
-
-PepperBrokerMessageFilter::~PepperBrokerMessageFilter() {}
-
-scoped_refptr<base::SequencedTaskRunner>
-PepperBrokerMessageFilter::OverrideTaskRunnerForMessage(
-    const IPC::Message& message) {
-  return content::GetUIThreadTaskRunner({});
-}
-
-int32_t PepperBrokerMessageFilter::OnResourceMessageReceived(
-    const IPC::Message& msg,
-    ppapi::host::HostMessageContext* context) {
-  PPAPI_BEGIN_MESSAGE_MAP(PepperBrokerMessageFilter, msg)
-    PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_Broker_IsAllowed,
-                                        OnIsAllowed)
-  PPAPI_END_MESSAGE_MAP()
-  return PP_ERROR_FAILED;
-}
-
-int32_t PepperBrokerMessageFilter::OnIsAllowed(
-    ppapi::host::HostMessageContext* context) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  if (!document_url_.is_valid())
-    return PP_ERROR_FAILED;
-  RenderProcessHost* render_process_host =
-      RenderProcessHost::FromID(render_process_id_);
-  if (!render_process_host)
-    return PP_ERROR_FAILED;
-  Profile* profile =
-      Profile::FromBrowserContext(render_process_host->GetBrowserContext());
-  HostContentSettingsMap* content_settings =
-      HostContentSettingsMapFactory::GetForProfile(profile);
-  ContentSetting setting = content_settings->GetContentSetting(
-      document_url_, document_url_, ContentSettingsType::PPAPI_BROKER,
-      std::string());
-  if (setting == CONTENT_SETTING_ALLOW)
-    return PP_OK;
-  return PP_ERROR_FAILED;
-}

chrome/browser/renderer_host/pepper/pepper_broker_message_filter.h

@@ -1,50 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CHROME_BROWSER_RENDERER_HOST_PEPPER_PEPPER_BROKER_MESSAGE_FILTER_H_
-#define CHROME_BROWSER_RENDERER_HOST_PEPPER_PEPPER_BROKER_MESSAGE_FILTER_H_
-
-#include <stdint.h>
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "ppapi/c/pp_instance.h"
-#include "ppapi/host/resource_message_filter.h"
-#include "url/gurl.h"
-
-namespace content {
-class BrowserPpapiHost;
-}
-
-namespace ppapi {
-namespace host {
-struct HostMessageContext;
-}
-}
-
-// This filter handles messages for the PepperBrokerHost on the UI thread.
-class PepperBrokerMessageFilter : public ppapi::host::ResourceMessageFilter {
- public:
-  PepperBrokerMessageFilter(PP_Instance instance,
-                            content::BrowserPpapiHost* host);
-
- private:
-  ~PepperBrokerMessageFilter() override;
-
-  // ppapi::host::ResourceMessageFilter overrides.
-  scoped_refptr<base::SequencedTaskRunner> OverrideTaskRunnerForMessage(
-      const IPC::Message& message) override;
-  int32_t OnResourceMessageReceived(
-      const IPC::Message& msg,
-      ppapi::host::HostMessageContext* context) override;
-
-  int32_t OnIsAllowed(ppapi::host::HostMessageContext* context);
-
-  int render_process_id_;
-  GURL document_url_;
-
-  DISALLOW_COPY_AND_ASSIGN(PepperBrokerMessageFilter);
-};
-
-#endif  // CHROME_BROWSER_RENDERER_HOST_PEPPER_PEPPER_BROKER_MESSAGE_FILTER_H_

chrome/common/crash_keys.cc

@@ -43,7 +43,6 @@ static bool IsBoringSwitch(const std::string& flag) {
     // crash_reporter separately informs the crash server if it is doing
     // crash-loop handling.
     crash_reporter::switches::kCrashLoopBefore,
-    switches::kPpapiFlashArgs,
     switches::kPpapiFlashPath,
     switches::kRegisterPepperPlugins,
     switches::kUseGL,

chrome/common/ppapi_utils.cc

@@ -85,7 +85,6 @@
 #include "ppapi/c/private/ppb_udp_socket_private.h"
 #include "ppapi/c/private/ppb_uma_private.h"
 #include "ppapi/c/private/ppb_x509_certificate_private.h"
-#include "ppapi/c/trusted/ppb_broker_trusted.h"
 #include "ppapi/c/trusted/ppb_browser_font_trusted.h"
 #include "ppapi/c/trusted/ppb_char_set_trusted.h"
 #include "ppapi/c/trusted/ppb_file_chooser_trusted.h"

chrome/common/profiler/process_type.cc

@@ -55,8 +55,5 @@ metrics::CallStackProfileParams::Process GetProfileParamsProcess(
   if (process_type == switches::kPpapiPluginProcess)
     return metrics::CallStackProfileParams::PPAPI_PLUGIN_PROCESS;
 
-  if (process_type == switches::kPpapiBrokerProcess)
-    return metrics::CallStackProfileParams::PPAPI_BROKER_PROCESS;
-
   return metrics::CallStackProfileParams::UNKNOWN_PROCESS;
 }

chrome/common/profiler/process_type_unittest.cc

@@ -88,10 +88,3 @@ TEST_F(ThreadProfilerProcessTypeTest, GetProfileParamsProcess_PpapiPlugin) {
   EXPECT_EQ(metrics::CallStackProfileParams::PPAPI_PLUGIN_PROCESS,
             GetProfileParamsProcess(command_line()));
 }
-
-TEST_F(ThreadProfilerProcessTypeTest, GetProfileParamsProcess_PpapiBroker) {
-  command_line().AppendSwitchASCII(switches::kProcessType,
-                                   switches::kPpapiBrokerProcess);
-  EXPECT_EQ(metrics::CallStackProfileParams::PPAPI_BROKER_PROCESS,
-            GetProfileParamsProcess(command_line()));
-}

components/metrics/call_stack_profile_encoding.cc

@@ -27,8 +27,6 @@ Process ToExecutionContextProcess(CallStackProfileParams::Process process) {
       return SANDBOX_HELPER_PROCESS;
     case CallStackProfileParams::PPAPI_PLUGIN_PROCESS:
       return PPAPI_PLUGIN_PROCESS;
-    case CallStackProfileParams::PPAPI_BROKER_PROCESS:
-      return PPAPI_BROKER_PROCESS;
   }
   NOTREACHED();
   return UNKNOWN_PROCESS;

components/metrics/call_stack_profile_params.h

@@ -21,7 +21,6 @@ struct CallStackProfileParams {
     ZYGOTE_PROCESS,
     SANDBOX_HELPER_PROCESS,
     PPAPI_PLUGIN_PROCESS,
-    PPAPI_BROKER_PROCESS,
     NETWORK_SERVICE_PROCESS,
 
     MAX_PROCESS = NETWORK_SERVICE_PROCESS,

content/app/content_main.cc

@@ -135,7 +135,6 @@ bool IsSubprocess() {
   auto type = base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
       switches::kProcessType);
   return type == switches::kGpuProcess ||
-         type == switches::kPpapiBrokerProcess ||
          type == switches::kPpapiPluginProcess ||
          type == switches::kRendererProcess ||
          type == switches::kUtilityProcess || type == switches::kZygoteProcess;

content/app/content_main_runner_impl.cc

@@ -172,7 +172,6 @@ namespace content {
 extern int GpuMain(const content::MainFunctionParams&);
 #if BUILDFLAG(ENABLE_PLUGINS)
 extern int PpapiPluginMain(const MainFunctionParams&);
-extern int PpapiBrokerMain(const MainFunctionParams&);
 #endif
 extern int RendererMain(const content::MainFunctionParams&);
 extern int UtilityMain(const MainFunctionParams&);
@@ -515,7 +514,6 @@ int RunOtherNamedProcessTypeMain(const std::string& process_type,
   static const MainFunction kMainFunctions[] = {
 #if BUILDFLAG(ENABLE_PLUGINS)
     {switches::kPpapiPluginProcess, PpapiPluginMain},
-    {switches::kPpapiBrokerProcess, PpapiBrokerMain},
 #endif  // ENABLE_PLUGINS
     {switches::kUtilityProcess, UtilityMain},
     {switches::kRendererProcess, RendererMain},

content/browser/plugin_service_impl.cc

@@ -69,18 +69,6 @@ void WillLoadPluginsCallback(base::SequenceChecker* sequence_checker) {
 
 }  // namespace
 
-// static
-void PluginServiceImpl::RecordBrokerUsage(int render_process_id,
-                                          int render_frame_id) {
-  RenderFrameHostImpl* rfh =
-      RenderFrameHostImpl::FromID(render_process_id, render_frame_id);
-  if (!rfh)
-    return;
-
-  ukm::SourceId source_id = rfh->GetPageUkmSourceId();
-  ukm::builders::Pepper_Broker(source_id).Record(ukm::UkmRecorder::Get());
-}
-
 // static
 PluginService* PluginService::GetInstance() {
   return PluginServiceImpl::GetInstance();
@@ -156,16 +144,6 @@ int PluginServiceImpl::CountPpapiPluginProcessesForProfile(
   return count;
 }
 
-PpapiPluginProcessHost* PluginServiceImpl::FindPpapiBrokerProcess(
-    const base::FilePath& broker_path) {
-  for (PpapiBrokerProcessHostIterator iter; !iter.Done(); ++iter) {
-    if (iter->plugin_path() == broker_path)
-      return *iter;
-  }
-
-  return nullptr;
-}
-
 PpapiPluginProcessHost* PluginServiceImpl::FindOrStartPpapiPluginProcess(
     int render_process_id,
     const url::Origin& embedder_origin,
@@ -268,29 +246,6 @@ PpapiPluginProcessHost* PluginServiceImpl::FindOrStartPpapiPluginProcess(
   return plugin_host;
 }
 
-PpapiPluginProcessHost* PluginServiceImpl::FindOrStartPpapiBrokerProcess(
-    int render_process_id,
-    const base::FilePath& plugin_path) {
-  DCHECK_CURRENTLY_ON(BrowserThread::IO);
-
-  if (filter_ && !filter_->CanLoadPlugin(render_process_id, plugin_path))
-    return nullptr;
-
-  PpapiPluginProcessHost* plugin_host = FindPpapiBrokerProcess(plugin_path);
-  if (plugin_host)
-    return plugin_host;
-
-  // Validate that the plugin is actually registered.
-  const PepperPluginInfo* info = GetRegisteredPpapiPluginInfo(plugin_path);
-  if (!info)
-    return nullptr;
-
-  DCHECK(info->is_out_of_process);
-
-  // This broker isn't loaded by any broker process, so create a new process.
-  return PpapiPluginProcessHost::CreateBrokerHost(*info);
-}
-
 void PluginServiceImpl::OpenChannelToPpapiPlugin(
     int render_process_id,
     const url::Origin& embedder_origin,
@@ -309,25 +264,6 @@ void PluginServiceImpl::OpenChannelToPpapiPlugin(
   }
 }
 
-void PluginServiceImpl::OpenChannelToPpapiBroker(
-    int render_process_id,
-    int render_frame_id,
-    const base::FilePath& path,
-    PpapiPluginProcessHost::BrokerClient* client) {
-  GetUIThreadTaskRunner({})->PostTask(
-      FROM_HERE, base::BindOnce(&PluginServiceImpl::RecordBrokerUsage,
-                                render_process_id, render_frame_id));
-
-  PpapiPluginProcessHost* plugin_host = FindOrStartPpapiBrokerProcess(
-      render_process_id, path);
-  if (plugin_host) {
-    plugin_host->OpenChannelToPlugin(client);
-  } else {
-    // Send error.
-    client->OnPpapiChannelOpened(IPC::ChannelHandle(), base::kNullProcessId, 0);
-  }
-}
-
 bool PluginServiceImpl::GetPluginInfoArray(
     const GURL& url,
     const std::string& mime_type,

content/browser/plugin_service_impl.h

@@ -91,8 +91,6 @@ class CONTENT_EXPORT PluginServiceImpl : public PluginService {
       const base::FilePath& plugin_path,
       const base::FilePath& profile_data_directory,
       const base::Optional<url::Origin>& origin_lock);
-  PpapiPluginProcessHost* FindOrStartPpapiBrokerProcess(
-      int render_process_id, const base::FilePath& plugin_path);
 
   // Opens a channel to a plugin process for the given mime type, starting
   // a new plugin process if necessary.  This must be called on the IO thread
@@ -103,10 +101,6 @@ class CONTENT_EXPORT PluginServiceImpl : public PluginService {
                                 const base::FilePath& profile_data_directory,
                                 const base::Optional<url::Origin>& origin_lock,
                                 PpapiPluginProcessHost::PluginClient* client);
-  void OpenChannelToPpapiBroker(int render_process_id,
-                                int render_frame_id,
-                                const base::FilePath& path,
-                                PpapiPluginProcessHost::BrokerClient* client);
 
   // Used to monitor plugin stability.
   void RegisterPluginCrash(const base::FilePath& plugin_path);
@@ -122,9 +116,6 @@ class CONTENT_EXPORT PluginServiceImpl : public PluginService {
   // Pulled out of the air, seems reasonable.
   static constexpr int kDefaultMaxPpapiProcessesPerProfile = 15;
 
-  // Helper for recording URLs to UKM.
-  static void RecordBrokerUsage(int render_process_id, int render_frame_id);
-
   // Creates the PluginServiceImpl object, but doesn't actually build the plugin
   // list yet.  It's generated lazily.
   PluginServiceImpl();
@@ -137,8 +128,6 @@ class CONTENT_EXPORT PluginServiceImpl : public PluginService {
       const base::FilePath& plugin_path,
       const base::FilePath& profile_data_directory,
       const base::Optional<url::Origin>& origin_lock);
-  PpapiPluginProcessHost* FindPpapiBrokerProcess(
-      const base::FilePath& broker_path);
 
   void RegisterPepperPlugins();
 

content/browser/plugin_service_impl_unittest.cc

@@ -1,114 +0,0 @@
-// Copyright 2017 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "content/browser/plugin_service_impl.h"
-
-#include <memory>
-
-#include "build/build_config.h"
-#include "components/ukm/test_ukm_recorder.h"
-#include "content/browser/ppapi_plugin_process_host.h"
-#include "content/browser/web_contents/web_contents_impl.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/render_frame_host.h"
-#include "content/public/browser/render_process_host.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/test/navigation_simulator.h"
-#include "content/public/test/test_renderer_host.h"
-#include "content/public/test/test_utils.h"
-#include "services/metrics/public/cpp/ukm_source.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace content {
-
-namespace {
-
-constexpr char kURL1[] = "http://google.com/";
-constexpr char kURL2[] = "http://youtube.com/";
-constexpr char kPepperBrokerEvent[] = "Pepper.Broker";
-
-class TestBrokerClient : public PpapiPluginProcessHost::BrokerClient {
- public:
-  void GetPpapiChannelInfo(base::ProcessHandle* renderer_handle,
-                           int* renderer_id) override {}
-  void OnPpapiChannelOpened(const IPC::ChannelHandle& channel_handle,
-                            base::ProcessId plugin_pid,
-                            int plugin_child_id) override {}
-  bool Incognito() override { return false; }
-};
-
-}  // anonymous namespace
-
-class PluginServiceImplTest : public RenderViewHostTestHarness {
- public:
-  PluginServiceImplTest() = default;
-  ~PluginServiceImplTest() override = default;
-
-  void SetUp() override {
-    RenderViewHostTestHarness::SetUp();
-
-    test_ukm_recorder_ = std::make_unique<ukm::TestAutoSetUkmRecorder>();
-  }
-
-  // Check if count events were recorded and if they were all recorded with
-  // the specified source_id.
-  bool RecordedBrokerEvents(ukm::SourceId source_id, size_t count) {
-    RunAllPendingInMessageLoop(BrowserThread::UI);
-    auto entries = test_ukm_recorder_->GetEntriesByName(kPepperBrokerEvent);
-    if (entries.size() != count)
-      return false;
-    for (const auto* const entry : entries) {
-      if (entry->source_id != source_id)
-        return false;
-    }
-    return true;
-  }
-
-  void ResetUKM() {
-    test_ukm_recorder_ = std::make_unique<ukm::TestAutoSetUkmRecorder>();
-  }
-
- private:
-  std::unique_ptr<ukm::TestUkmRecorder> test_ukm_recorder_;
-
-  DISALLOW_COPY_AND_ASSIGN(PluginServiceImplTest);
-};
-
-TEST_F(PluginServiceImplTest, RecordBrokerUsage) {
-  TestBrokerClient client;
-
-  NavigateAndCommit(GURL(kURL1));
-  ukm::SourceId source_id = static_cast<WebContentsImpl*>(web_contents())
-                                ->GetMainFrame()
-                                ->GetPageUkmSourceId();
-  PluginServiceImpl* service = PluginServiceImpl::GetInstance();
-
-  // Internal usage of the broker should not record metrics. Internal usage will
-  // not pass a RFH.
-  service->OpenChannelToPpapiBroker(0, 0, base::FilePath(), &client);
-  EXPECT_TRUE(RecordedBrokerEvents(source_id, 0));
-
-  // Top level frame usage should be recorded.
-  int render_process_id = main_rfh()->GetProcess()->GetID();
-  int render_frame_id = main_rfh()->GetRoutingID();
-  service->OpenChannelToPpapiBroker(render_process_id, render_frame_id,
-                                    base::FilePath(), &client);
-  EXPECT_TRUE(RecordedBrokerEvents(source_id, 1));
-
-  ResetUKM();
-
-  // Iframe usage should be recorded under the top level frame origin.
-  RenderFrameHost* child_frame =
-      RenderFrameHostTester::For(main_rfh())->AppendChild("child");
-  child_frame = NavigationSimulator::NavigateAndCommitFromDocument(GURL(kURL2),
-                                                                   child_frame);
-  EXPECT_EQ(GURL(kURL2), child_frame->GetLastCommittedURL());
-  render_process_id = child_frame->GetProcess()->GetID();
-  render_frame_id = child_frame->GetRoutingID();
-  service->OpenChannelToPpapiBroker(render_process_id, render_frame_id,
-                                    base::FilePath(), &client);
-  EXPECT_TRUE(RecordedBrokerEvents(source_id, 1));
-}
-
-}  // namespace content

content/browser/ppapi_plugin_process_host.cc

@@ -61,14 +61,9 @@ class PpapiPluginSandboxedProcessLauncherDelegate
     : public content::SandboxedProcessLauncherDelegate {
  public:
   PpapiPluginSandboxedProcessLauncherDelegate(
-      bool is_broker,
       const ppapi::PpapiPermissions& permissions)
-#if BUILDFLAG(USE_ZYGOTE_HANDLE) || defined(OS_WIN)
-      : is_broker_(is_broker)
-#endif
 #if defined(OS_WIN)
-        ,
+      : permissions_(permissions)
-        permissions_(permissions)
 #endif
   {
   }
@@ -77,9 +72,6 @@ class PpapiPluginSandboxedProcessLauncherDelegate
 
 #if defined(OS_WIN)
   bool PreSpawnTarget(sandbox::TargetPolicy* policy) override {
-    if (is_broker_)
-      return true;
-
     // The Pepper process is as locked-down as a renderer except that it can
     // create the server side of Chrome pipes.
     sandbox::ResultCode result;
@@ -106,13 +98,11 @@ class PpapiPluginSandboxedProcessLauncherDelegate
     if (!sid.empty())
       sandbox::policy::SandboxWin::AddAppContainerPolicy(policy, sid.c_str());
 
-    // Only Flash needs to be able to execute dynamic code.
+    // No plugins can generate executable code.
-    if (!permissions_.HasPermission(ppapi::PERMISSION_FLASH)) {
     sandbox::MitigationFlags flags = policy->GetDelayedProcessMitigations();
     flags |= sandbox::MITIGATION_DYNAMIC_CODE_DISABLE;
     if (sandbox::SBOX_ALL_OK != policy->SetDelayedProcessMitigations(flags))
       return false;
-    }
 
     return true;
   }
@@ -124,17 +114,13 @@ class PpapiPluginSandboxedProcessLauncherDelegate
         *base::CommandLine::ForCurrentProcess();
     base::CommandLine::StringType plugin_launcher = browser_command_line
         .GetSwitchValueNative(switches::kPpapiPluginLauncher);
-    if (is_broker_ || !plugin_launcher.empty())
+    if (!plugin_launcher.empty())
       return nullptr;
     return GetGenericZygote();
   }
 #endif  // BUILDFLAG(USE_ZYGOTE_HANDLE)
 
   sandbox::policy::SandboxType GetSandboxType() override {
-#if defined(OS_WIN)
-    if (is_broker_)
-      return sandbox::policy::SandboxType::kNoSandbox;
-#endif  // OS_WIN
     return sandbox::policy::SandboxType::kPpapi;
   }
 
@@ -143,9 +129,6 @@ class PpapiPluginSandboxedProcessLauncherDelegate
 #endif
 
  private:
-#if BUILDFLAG(USE_ZYGOTE_HANDLE) || defined(OS_WIN)
-  const bool is_broker_;
-#endif
 #if defined(OS_WIN)
   const ppapi::PpapiPermissions permissions_;
 #endif
@@ -187,7 +170,7 @@ class PpapiPluginProcessHost::PluginNetworkObserver
 };
 
 PpapiPluginProcessHost::~PpapiPluginProcessHost() {
-  DVLOG(1) << "PpapiPluginProcessHost" << (is_broker_ ? "[broker]" : "")
+  DVLOG(1) << "PpapiPluginProcessHost"
            << "~PpapiPluginProcessHost()";
   CancelRequests();
 }
@@ -206,18 +189,6 @@ PpapiPluginProcessHost* PpapiPluginProcessHost::CreatePluginHost(
   return nullptr;
 }
 
-// static
-PpapiPluginProcessHost* PpapiPluginProcessHost::CreateBrokerHost(
-    const PepperPluginInfo& info) {
-  PpapiPluginProcessHost* plugin_host =
-      new PpapiPluginProcessHost();
-  if (plugin_host->Init(info))
-    return plugin_host;
-
-  NOTREACHED();  // Init is not expected to fail.
-  return nullptr;
-}
-
 // static
 void PpapiPluginProcessHost::DidCreateOutOfProcessInstance(
     int plugin_process_id,
@@ -308,8 +279,7 @@ PpapiPluginProcessHost::PpapiPluginProcessHost(
     const base::FilePath& profile_data_directory,
     const base::Optional<url::Origin>& origin_lock)
     : profile_data_directory_(profile_data_directory),
-      origin_lock_(origin_lock),
+      origin_lock_(origin_lock) {
-      is_broker_(false) {
   uint32_t base_permissions = info.permissions;
 
   // We don't have to do any whitelisting for APIs in this process host, so
@@ -337,18 +307,6 @@ PpapiPluginProcessHost::PpapiPluginProcessHost(
     network_observer_ = std::make_unique<PluginNetworkObserver>(this);
 }
 
-PpapiPluginProcessHost::PpapiPluginProcessHost() : is_broker_(true) {
-  process_ = std::make_unique<BrowserChildProcessHostImpl>(
-      PROCESS_TYPE_PPAPI_BROKER, this, ChildProcessHost::IpcMode::kNormal);
-
-  ppapi::PpapiPermissions permissions;  // No permissions.
-  // The plugin name, path and profile data directory shouldn't be needed for
-  // the broker.
-  host_impl_ = std::make_unique<BrowserPpapiHostImpl>(
-      this, permissions, std::string(), base::FilePath(), base::FilePath(),
-      false /* in_process */, false /* external_plugin */);
-}
-
 bool PpapiPluginProcessHost::Init(const PepperPluginInfo& info) {
   plugin_path_ = info.path;
   if (info.name.empty()) {
@@ -367,12 +325,8 @@ bool PpapiPluginProcessHost::Init(const PepperPluginInfo& info) {
 #if defined(OS_LINUX) || defined(OS_CHROMEOS)
   int flags = plugin_launcher.empty() ? ChildProcessHost::CHILD_ALLOW_SELF :
                                         ChildProcessHost::CHILD_NORMAL;
-#elif defined(OS_MAC)
-  // Flash needs to JIT, but other plugins do not.
-  int flags = permissions_.HasPermission(ppapi::PERMISSION_FLASH)
-                  ? ChildProcessHost::CHILD_PLUGIN
-                  : ChildProcessHost::CHILD_NORMAL;
 #else
+  // Plugins can't generate executable code.
   int flags = ChildProcessHost::CHILD_NORMAL;
 #endif
   base::FilePath exe_path = ChildProcessHost::GetChildPath(flags);
@@ -384,24 +338,21 @@ bool PpapiPluginProcessHost::Init(const PepperPluginInfo& info) {
   std::unique_ptr<base::CommandLine> cmd_line =
       std::make_unique<base::CommandLine>(exe_path);
   cmd_line->AppendSwitchASCII(switches::kProcessType,
-                              is_broker_ ? switches::kPpapiBrokerProcess
+                              switches::kPpapiPluginProcess);
-                                         : switches::kPpapiPluginProcess);
   BrowserChildProcessHostImpl::CopyFeatureAndFieldTrialFlags(cmd_line.get());
   BrowserChildProcessHostImpl::CopyTraceStartupFlags(cmd_line.get());
 
 #if defined(OS_WIN)
-  cmd_line->AppendArg(is_broker_ ? switches::kPrefetchArgumentPpapiBroker
+  cmd_line->AppendArg(switches::kPrefetchArgumentPpapi);
-                                 : switches::kPrefetchArgumentPpapi);
 #endif  // defined(OS_WIN)
 
-  // These switches are forwarded to both plugin and broker pocesses.
+  // These switches are forwarded to plugin pocesses.
   static const char* const kCommonForwardSwitches[] = {
     switches::kVModule
   };
   cmd_line->CopySwitchesFrom(browser_command_line, kCommonForwardSwitches,
                              base::size(kCommonForwardSwitches));
 
-  if (!is_broker_) {
   static const char* const kPluginForwardSwitches[] = {
     sandbox::policy::switches::kDisableSeccompFilterSandbox,
     sandbox::policy::switches::kNoSandbox,
@@ -413,14 +364,6 @@ bool PpapiPluginProcessHost::Init(const PepperPluginInfo& info) {
   cmd_line->CopySwitchesFrom(browser_command_line, kPluginForwardSwitches,
                              base::size(kPluginForwardSwitches));
 
-    // Copy any flash args over if necessary.
-    // TODO(vtl): Stop passing flash args in the command line, or windows is
-    // going to explode.
-    std::string existing_args =
-        browser_command_line.GetSwitchValueASCII(switches::kPpapiFlashArgs);
-    cmd_line->AppendSwitchASCII(switches::kPpapiFlashArgs, existing_args);
-  }
-
   std::string locale = GetContentClient()->browser()->GetApplicationLocale();
   if (!locale.empty()) {
     // Pass on the locale so the plugin will know what language we're using.
@@ -443,12 +386,12 @@ bool PpapiPluginProcessHost::Init(const PepperPluginInfo& info) {
   if (!plugin_launcher.empty())
     cmd_line->PrependWrapper(plugin_launcher);
 
-  // On posix, never use the zygote for the broker. Also, only use the zygote if
+  // On posix, only use the zygote if we are not using a plugin launcher -
-  // we are not using a plugin launcher - having a plugin launcher means we need
+  // having a plugin launcher means we need to use another process instead of
-  // to use another process instead of just forking the zygote.
+  // just forking the zygote.
   process_->Launch(
       std::make_unique<PpapiPluginSandboxedProcessLauncherDelegate>(
-          is_broker_, permissions_),
+          permissions_),
       std::move(cmd_line), true);
   return true;
 }
@@ -518,7 +461,7 @@ void PpapiPluginProcessHost::OnChannelConnected(int32_t peer_pid) {
 // Called when the browser <--> plugin channel has an error. This normally
 // means the plugin has crashed.
 void PpapiPluginProcessHost::OnChannelError() {
-  VLOG(1) << "PpapiPluginProcessHost" << (is_broker_ ? "[broker]" : "")
+  VLOG(1) << "PpapiPluginProcessHost"
           << "::OnChannelError()";
   // We don't need to notify the renderers that were communicating with the
   // plugin since they have their own channels which will go into the error
@@ -528,7 +471,7 @@ void PpapiPluginProcessHost::OnChannelError() {
 }
 
 void PpapiPluginProcessHost::CancelRequests() {
-  DVLOG(1) << "PpapiPluginProcessHost" << (is_broker_ ? "[broker]" : "")
+  DVLOG(1) << "PpapiPluginProcessHost"
            << "CancelRequests()";
   for (size_t i = 0; i < pending_requests_.size(); i++) {
     pending_requests_[i]->OnPpapiChannelOpened(IPC::ChannelHandle(),

content/browser/ppapi_plugin_process_host.h

@@ -30,8 +30,7 @@ namespace content {
 class BrowserChildProcessHostImpl;
 struct PepperPluginInfo;
 
-// Process host for PPAPI plugin and broker processes.
+// Process host for PPAPI plugin processes.
-// When used for the broker, interpret all references to "plugin" with "broker".
 class PpapiPluginProcessHost : public BrowserChildProcessHostDelegate,
                                public IPC::Sender {
  public:
@@ -65,11 +64,6 @@ class PpapiPluginProcessHost : public BrowserChildProcessHostDelegate,
     ~PluginClient() override {}
   };
 
-  class BrokerClient : public Client {
-   protected:
-    ~BrokerClient() override {}
-  };
-
   ~PpapiPluginProcessHost() override;
 
   static PpapiPluginProcessHost* CreatePluginHost(
@@ -77,9 +71,6 @@ class PpapiPluginProcessHost : public BrowserChildProcessHostDelegate,
       const base::FilePath& profile_data_directory,
       const base::Optional<url::Origin>& origin_lock);
 
-  static PpapiPluginProcessHost* CreateBrokerHost(
-      const PepperPluginInfo& info);
-
   // Notification that a PP_Instance has been created and the associated
   // renderer related data including the RenderView/Process pair for the given
   // plugin. This is necessary so that when the plugin calls us with a
@@ -126,12 +117,11 @@ class PpapiPluginProcessHost : public BrowserChildProcessHostDelegate,
  private:
   class PluginNetworkObserver;
 
-  // Constructors for plugin and broker process hosts, respectively.
+  // Constructors for plugin process hosts.
   // You must call Init before doing anything else.
   PpapiPluginProcessHost(const PepperPluginInfo& info,
                          const base::FilePath& profile_data_directory,
                          const base::Optional<url::Origin>& origin_lock);
-  PpapiPluginProcessHost();
 
   // Actually launches the process with the given plugin info. Returns true
   // on success (the process was spawned).
@@ -178,8 +168,6 @@ class PpapiPluginProcessHost : public BrowserChildProcessHostDelegate,
   // re-use the plugin host.
   const base::Optional<url::Origin> origin_lock_;
 
-  const bool is_broker_;
-
   std::unique_ptr<BrowserChildProcessHostImpl> process_;
 
   DISALLOW_COPY_AND_ASSIGN(PpapiPluginProcessHost);
@@ -194,15 +182,6 @@ class PpapiPluginProcessHostIterator
           PpapiPluginProcessHost>(PROCESS_TYPE_PPAPI_PLUGIN) {}
 };
 
-class PpapiBrokerProcessHostIterator
-    : public BrowserChildProcessHostTypeIterator<
-          PpapiPluginProcessHost> {
- public:
-  PpapiBrokerProcessHostIterator()
-      : BrowserChildProcessHostTypeIterator<
-          PpapiPluginProcessHost>(PROCESS_TYPE_PPAPI_BROKER) {}
-};
-
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_PPAPI_PLUGIN_PROCESS_HOST_H_

content/browser/renderer_host/render_frame_message_filter.cc

@@ -135,39 +135,6 @@ class RenderMessageCompletionCallback {
 
 #if BUILDFLAG(ENABLE_PLUGINS)
 
-class RenderFrameMessageFilter::OpenChannelToPpapiBrokerCallback
-    : public PpapiPluginProcessHost::BrokerClient {
- public:
-  OpenChannelToPpapiBrokerCallback(RenderFrameMessageFilter* filter,
-                                   int routing_id)
-      : filter_(filter), routing_id_(routing_id) {}
-
-  ~OpenChannelToPpapiBrokerCallback() override {}
-
-  void GetPpapiChannelInfo(base::ProcessHandle* renderer_handle,
-                           int* renderer_id) override {
-    // base::kNullProcessHandle indicates that the channel will be used by the
-    // browser itself. Make sure we never output that value here.
-    CHECK_NE(base::kNullProcessHandle, filter_->PeerHandle());
-    *renderer_handle = filter_->PeerHandle();
-    *renderer_id = filter_->render_process_id_;
-  }
-
-  void OnPpapiChannelOpened(const IPC::ChannelHandle& channel_handle,
-                            base::ProcessId plugin_pid,
-                            int /* plugin_child_id */) override {
-    filter_->Send(new ViewMsg_PpapiBrokerChannelCreated(routing_id_, plugin_pid,
-                                                        channel_handle));
-    delete this;
-  }
-
-  bool Incognito() override { return filter_->incognito_; }
-
- private:
-  scoped_refptr<RenderFrameMessageFilter> filter_;
-  int routing_id_;
-};
-
 class RenderFrameMessageFilter::OpenChannelToPpapiPluginCallback
     : public RenderMessageCompletionCallback,
       public PpapiPluginProcessHost::PluginClient {
@@ -236,8 +203,6 @@ bool RenderFrameMessageFilter::OnMessageReceived(const IPC::Message& message) {
                         OnDidCreateOutOfProcessPepperInstance)
     IPC_MESSAGE_HANDLER(FrameHostMsg_DidDeleteOutOfProcessPepperInstance,
                         OnDidDeleteOutOfProcessPepperInstance)
-    IPC_MESSAGE_HANDLER(FrameHostMsg_OpenChannelToPpapiBroker,
-                        OnOpenChannelToPpapiBroker)
     IPC_MESSAGE_HANDLER(FrameHostMsg_PluginInstanceThrottleStateChange,
                         OnPluginInstanceThrottleStateChange)
 #endif  // ENABLE_PLUGINS
@@ -374,14 +339,6 @@ void RenderFrameMessageFilter::OnDidDeleteOutOfProcessPepperInstance(
   }
 }
 
-void RenderFrameMessageFilter::OnOpenChannelToPpapiBroker(
-    int routing_id,
-    const base::FilePath& path) {
-  plugin_service_->OpenChannelToPpapiBroker(
-      render_process_id_, routing_id, path,
-      new OpenChannelToPpapiBrokerCallback(this, routing_id));
-}
-
 void RenderFrameMessageFilter::OnPluginInstanceThrottleStateChange(
     int plugin_child_id,
     int32_t pp_instance,

content/browser/web_contents/web_contents_impl.cc

@@ -1143,17 +1143,7 @@ bool WebContentsImpl::OnMessageReceived(RenderViewHostImpl* render_view_host,
       return true;
   }
 
-#if BUILDFLAG(ENABLE_PLUGINS)
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_WITH_PARAM(WebContentsImpl, message, render_view_host)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_RequestPpapiBrokerPermission,
-                        OnRequestPpapiBrokerPermission)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-#else
   return false;
-#endif
 }
 
 bool WebContentsImpl::OnMessageReceived(RenderFrameHostImpl* render_frame_host,
@@ -6176,40 +6166,6 @@ void WebContentsImpl::OnPluginCrashed(RenderFrameHostImpl* source,
   });
 }
 
-void WebContentsImpl::OnRequestPpapiBrokerPermission(
-    RenderViewHostImpl* source,
-    int ppb_broker_route_id,
-    const GURL& url,
-    const base::FilePath& plugin_path) {
-  OPTIONAL_TRACE_EVENT1("content",
-                        "WebContentsImpl::OnRequestPpapiBrokerPermission",
-                        "render_view_host", source);
-  base::OnceCallback<void(bool)> permission_result_callback = base::BindOnce(
-      &WebContentsImpl::SendPpapiBrokerPermissionResult, base::Unretained(this),
-      source->GetProcess()->GetID(), ppb_broker_route_id);
-  if (!delegate_) {
-    std::move(permission_result_callback).Run(false);
-    return;
-  }
-
-  delegate_->RequestPpapiBrokerPermission(
-      this, url, plugin_path, std::move(permission_result_callback));
-}
-
-void WebContentsImpl::SendPpapiBrokerPermissionResult(int process_id,
-                                                      int ppb_broker_route_id,
-                                                      bool result) {
-  OPTIONAL_TRACE_EVENT2(
-      "content", "WebContentsImpl::SendPpapiBrokerPermissionResult",
-      "process_id", process_id, "ppb_broker_route_id", ppb_broker_route_id);
-  RenderProcessHost* rph = RenderProcessHost::FromID(process_id);
-  if (rph) {
-    // TODO(nick): Convert this from ViewMsg_ to a Ppapi msg, since it
-    // is not routed to a RenderView.
-    rph->Send(
-        new ViewMsg_PpapiBrokerPermissionResult(ppb_broker_route_id, result));
-  }
-}
 #endif  // BUILDFLAG(ENABLE_PLUGINS)
 
 void WebContentsImpl::UpdateFaviconURL(

content/browser/web_contents/web_contents_impl.h

@@ -1512,16 +1512,6 @@ class CONTENT_EXPORT WebContentsImpl : public WebContents,
   void OnPluginCrashed(RenderFrameHostImpl* source,
                        const base::FilePath& plugin_path,
                        base::ProcessId plugin_pid);
-  void OnRequestPpapiBrokerPermission(RenderViewHostImpl* source,
-                                      int ppb_broker_route_id,
-                                      const GURL& url,
-                                      const base::FilePath& plugin_path);
-
-  // Callback function when requesting permission to access the PPAPI broker.
-  // |result| is true if permission was granted.
-  void SendPpapiBrokerPermissionResult(int process_id,
-                                       int ppb_broker_route_id,
-                                       bool result);
 #endif  // BUILDFLAG(ENABLE_PLUGINS)
   void OnShowValidationMessage(RenderViewHostImpl* source,
                                const gfx::Rect& anchor_in_root_view,

content/common/android/cpu_time_metrics.cc

@@ -74,8 +74,6 @@ ProcessTypeForUma CurrentProcessType() {
     return ProcessTypeForUma::kGpu;
   if (process_type == switches::kPpapiPluginProcess)
     return ProcessTypeForUma::kPpapiPlugin;
-  if (process_type == switches::kPpapiBrokerProcess)
-    return ProcessTypeForUma::kPpapiBroker;
   NOTREACHED() << "Unexpected process type: " << process_type;
   return ProcessTypeForUma::kUnknown;
 }

content/ppapi_plugin/BUILD.gn

@@ -31,7 +31,6 @@ source_set("ppapi_plugin_sources") {
     "plugin_process_dispatcher.h",
     "ppapi_blink_platform_impl.cc",
     "ppapi_blink_platform_impl.h",
-    "ppapi_broker_main.cc",
     "ppapi_plugin_main.cc",
     "ppapi_thread.cc",
     "ppapi_thread.h",

content/ppapi_plugin/ppapi_broker_main.cc

@@ -1,41 +0,0 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/run_loop.h"
-#include "base/task/single_thread_task_executor.h"
-#include "base/threading/platform_thread.h"
-#include "build/build_config.h"
-#include "content/child/child_process.h"
-#include "content/common/content_constants_internal.h"
-#include "content/common/content_switches_internal.h"
-#include "content/ppapi_plugin/ppapi_thread.h"
-#include "content/public/common/content_switches.h"
-#include "content/public/common/main_function_params.h"
-
-namespace content {
-
-// Main function for starting the PPAPI broker process.
-int PpapiBrokerMain(const MainFunctionParams& parameters) {
-  const base::CommandLine& command_line = parameters.command_line;
-  if (command_line.HasSwitch(switches::kPpapiStartupDialog))
-    WaitForDebugger("PpapiBroker");
-
-  base::SingleThreadTaskExecutor main_thread_task_executor;
-  base::PlatformThread::SetName("CrPPAPIBrokerMain");
-  base::trace_event::TraceLog::GetInstance()->set_process_name(
-      "PPAPI Broker Process");
-  base::trace_event::TraceLog::GetInstance()->SetProcessSortIndex(
-      kTraceEventPpapiBrokerProcessSortIndex);
-
-  ChildProcess ppapi_broker_process;
-  base::RunLoop run_loop;
-  ppapi_broker_process.set_main_thread(new PpapiThread(
-      run_loop.QuitClosure(), parameters.command_line, true /* Broker */));
-
-  run_loop.Run();
-  DVLOG(1) << "PpapiBrokerMain exiting";
-  return 0;
-}
-
-}  // namespace content

content/ppapi_plugin/ppapi_plugin_main.cc

@@ -128,9 +128,8 @@ int PpapiPluginMain(const MainFunctionParams& parameters) {
 
   ChildProcess ppapi_process;
   base::RunLoop run_loop;
-  ppapi_process.set_main_thread(new PpapiThread(run_loop.QuitClosure(),
+  ppapi_process.set_main_thread(
-                                                parameters.command_line,
+      new PpapiThread(run_loop.QuitClosure(), parameters.command_line));
-                                                false /* Not a broker */));
 
 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MAC)
   // Startup tracing is usually enabled earlier, but if we forked from a zygote,

content/ppapi_plugin/ppapi_thread.cc

@@ -86,32 +86,22 @@ static void WarmupWindowsLocales(const ppapi::PpapiPermissions& permissions) {
 
 namespace content {
 
-typedef int32_t (*InitializeBrokerFunc)
-    (PP_ConnectInstance_Func* connect_instance_func);
-
 PpapiThread::PpapiThread(base::RepeatingClosure quit_closure,
-                         const base::CommandLine& command_line,
+                         const base::CommandLine& command_line)
-                         bool is_broker)
     : ChildThreadImpl(std::move(quit_closure)),
-      is_broker_(is_broker),
       plugin_globals_(GetIOTaskRunner()),
-      connect_instance_func_(nullptr),
       local_pp_module_(base::RandInt(0, std::numeric_limits<PP_Module>::max())),
       next_plugin_dispatcher_id_(1) {
   plugin_globals_.SetPluginProxyDelegate(this);
-  plugin_globals_.set_command_line(
-      command_line.GetSwitchValueASCII(switches::kPpapiFlashArgs));
 
   blink_platform_impl_.reset(new PpapiBlinkPlatformImpl);
   blink::Platform::CreateMainThreadAndInitialize(blink_platform_impl_.get());
 
-  if (!is_broker_) {
   scoped_refptr<ppapi::proxy::PluginMessageFilter> plugin_filter(
       new ppapi::proxy::PluginMessageFilter(
           nullptr, plugin_globals_.resource_reply_thread_registrar()));
   channel()->AddFilter(plugin_filter.get());
   plugin_globals_.RegisterResourceMessageFilters(plugin_filter.get());
-  }
 
   // In single process, browser main loop set up the discardable memory
   // allocator.
@@ -167,10 +157,6 @@ bool PpapiThread::OnControlMessageReceived(const IPC::Message& msg) {
 
 void PpapiThread::OnChannelConnected(int32_t peer_pid) {
   ChildThreadImpl::OnChannelConnected(peer_pid);
-#if defined(OS_WIN)
-  if (is_broker_)
-    peer_handle_.Set(::OpenProcess(PROCESS_DUP_HANDLE, FALSE, peer_pid));
-#endif
 }
 
 base::SingleThreadTaskRunner* PpapiThread::GetIPCTaskRunner() {
@@ -313,16 +299,12 @@ void PpapiThread::OnLoadPlugin(const base::FilePath& path,
       return;
     }
 
-    // The ShutdownModule/ShutdownBroker function is optional.
+    // The ShutdownModule function is optional.
     plugin_entry_points_.shutdown_module =
-        is_broker_ ?
-        reinterpret_cast<PP_ShutdownModule_Func>(
-            library.GetFunctionPointer("PPP_ShutdownBroker")) :
         reinterpret_cast<PP_ShutdownModule_Func>(
             library.GetFunctionPointer("PPP_ShutdownModule"));
 
-    if (!is_broker_) {
+    // Get the InitializeModule function.
-      // Get the InitializeModule function (required for non-broker code).
     plugin_entry_points_.initialize_module =
         reinterpret_cast<PP_InitializeModule_Func>(
             library.GetFunctionPointer("PPP_InitializeModule"));
@@ -331,7 +313,6 @@ void PpapiThread::OnLoadPlugin(const base::FilePath& path,
       return;
     }
   }
-  }
 
 #if defined(OS_WIN)
   // If code subsequently tries to exit using abort(), force a crash (since
@@ -372,33 +353,12 @@ void PpapiThread::OnLoadPlugin(const base::FilePath& path,
   }
 #endif
 
-  if (is_broker_) {
-    // Get the InitializeBroker function (required).
-    InitializeBrokerFunc init_broker =
-        reinterpret_cast<InitializeBrokerFunc>(
-            library.GetFunctionPointer("PPP_InitializeBroker"));
-    if (!init_broker) {
-      LOG(WARNING) << "No PPP_InitializeBroker in plugin library";
-      return;
-    }
-
-    int32_t init_error = init_broker(&connect_instance_func_);
-    if (init_error != PP_OK) {
-      LOG(WARNING) << "InitBroker failed with error " << init_error;
-      return;
-    }
-    if (!connect_instance_func_) {
-      LOG(WARNING) << "InitBroker did not provide PP_ConnectInstance_Func";
-      return;
-    }
-  } else {
   int32_t init_error = plugin_entry_points_.initialize_module(
       local_pp_module_, &ppapi::proxy::PluginDispatcher::GetBrowserInterface);
   if (init_error != PP_OK) {
     LOG(WARNING) << "InitModule failed with error " << init_error;
     return;
   }
-  }
 
   // Initialization succeeded, so keep the plugin DLL loaded.
   library_ = std::move(library);
@@ -453,12 +413,10 @@ bool PpapiThread::SetupChannel(base::ProcessId renderer_pid,
                                int renderer_child_id,
                                bool incognito,
                                IPC::ChannelHandle* handle) {
-  DCHECK(is_broker_ == (connect_instance_func_ != nullptr));
   mojo::MessagePipe pipe;
 
   ppapi::proxy::ProxyChannel* dispatcher = nullptr;
   bool init_result = false;
-  DCHECK(!is_broker_);
   DCHECK_NE(base::kNullProcessId, renderer_pid);
   PluginProcessDispatcher* plugin_dispatcher = new PluginProcessDispatcher(
       plugin_entry_points_.get_interface, permissions_, incognito);

content/ppapi_plugin/ppapi_thread.h

@@ -19,7 +19,6 @@
 #include "content/child/child_thread_impl.h"
 #include "content/public/common/pepper_plugin_info.h"
 #include "ppapi/c/pp_module.h"
-#include "ppapi/c/trusted/ppp_broker.h"
 #include "ppapi/proxy/connection.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/plugin_globals.h"
@@ -51,8 +50,7 @@ class PpapiThread : public ChildThreadImpl,
                     public ppapi::proxy::PluginProxyDelegate {
  public:
   PpapiThread(base::RepeatingClosure quit_closure,
-              const base::CommandLine& command_line,
+              const base::CommandLine& command_line);
-              bool is_broker);
   ~PpapiThread() override;
   void Shutdown() override;
 
@@ -113,9 +111,6 @@ class PpapiThread : public ChildThreadImpl,
   // Sets up the name of the plugin for logging using the given path.
   void SavePluginName(const base::FilePath& path);
 
-  // True if running in a broker process rather than a normal plugin process.
-  bool is_broker_;
-
   base::ScopedNativeLibrary library_;
 
   ppapi::PpapiPermissions permissions_;
@@ -126,10 +121,6 @@ class PpapiThread : public ChildThreadImpl,
   // Storage for plugin entry points.
   PepperPluginInfo::EntryPoints plugin_entry_points_;
 
-  // Callback to call when a new instance connects to the broker.
-  // Used only when is_broker_.
-  PP_ConnectInstance_Func connect_instance_func_;
-
   // Local concept of the module ID. Some functions take this. It's necessary
   // for the in-process PPAPI to handle this properly, but for proxied it's
   // unnecessary. The proxy talking to multiple renderers means that each
@@ -148,11 +139,6 @@ class PpapiThread : public ChildThreadImpl,
   // The BlinkPlatformImpl implementation.
   std::unique_ptr<PpapiBlinkPlatformImpl> blink_platform_impl_;
 
-#if defined(OS_WIN)
-  // Caches the handle to the peer process if this is a broker.
-  base::win::ScopedHandle peer_handle_;
-#endif
-
   std::unique_ptr<discardable_memory::ClientDiscardableSharedMemoryManager>
       discardable_shared_memory_manager_;
 

content/public/common/content_switches.cc

@@ -584,12 +584,6 @@ const char kNumRasterThreads[]              = "num-raster-threads";
 const char kOverridePluginPowerSaverForTesting[] =
     "override-plugin-power-saver-for-testing";
 
-// Argument to the process type that indicates a PPAPI broker process type.
-const char kPpapiBrokerProcess[]            = "ppapi-broker";
-
-// "Command-line" arguments for the PPAPI Flash; used for debugging options.
-const char kPpapiFlashArgs[]                = "ppapi-flash-args";
-
 // Runs PPAPI (Pepper) plugins in-process.
 const char kPpapiInProcess[]                = "ppapi-in-process";
 

content/public/common/content_switches.h

@@ -172,8 +172,6 @@ CONTENT_EXPORT extern const char kNoZygote[];
 extern const char kNoV8UntrustedCodeMitigations[];
 CONTENT_EXPORT extern const char kNumRasterThreads[];
 CONTENT_EXPORT extern const char kOverridePluginPowerSaverForTesting[];
-CONTENT_EXPORT extern const char kPpapiBrokerProcess[];
-CONTENT_EXPORT extern const char kPpapiFlashArgs[];
 CONTENT_EXPORT extern const char kPpapiInProcess[];
 extern const char kPpapiPluginLauncher[];
 CONTENT_EXPORT extern const char kPpapiPluginProcess[];

content/renderer/BUILD.gn

@@ -466,8 +466,6 @@ target(link_target_type, "renderer") {
       "pepper/pepper_audio_input_host.h",
       "pepper/pepper_audio_output_host.cc",
       "pepper/pepper_audio_output_host.h",
-      "pepper/pepper_broker.cc",
-      "pepper/pepper_broker.h",
       "pepper/pepper_browser_connection.cc",
       "pepper/pepper_browser_connection.h",
       "pepper/pepper_camera_device_host.cc",
@@ -532,8 +530,6 @@ target(link_target_type, "renderer") {
       "pepper/ppapi_preferences_builder.h",
       "pepper/ppb_audio_impl.cc",
       "pepper/ppb_audio_impl.h",
-      "pepper/ppb_broker_impl.cc",
-      "pepper/ppb_broker_impl.h",
       "pepper/ppb_buffer_impl.cc",
       "pepper/ppb_buffer_impl.h",
       "pepper/ppb_graphics_3d_impl.cc",

content/renderer/pepper/host_globals.cc

@@ -133,11 +133,6 @@ PP_Module HostGlobals::GetModuleForInstance(PP_Instance instance) {
   return inst->module()->pp_module();
 }
 
-std::string HostGlobals::GetCmdLine() {
-  return base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
-      switches::kPpapiFlashArgs);
-}
-
 void HostGlobals::PreCacheFontForFlash(const void* logfontw) {
   // Not implemented in-process.
 }

content/renderer/pepper/host_globals.h

@@ -40,7 +40,6 @@ class HostGlobals : public ppapi::PpapiGlobals {
   ppapi::thunk::ResourceCreationAPI* GetResourceCreationAPI(
       PP_Instance instance) override;
   PP_Module GetModuleForInstance(PP_Instance instance) override;
-  std::string GetCmdLine() override;
   void PreCacheFontForFlash(const void* logfontw) override;
   void LogWithSource(PP_Instance instance,
                      PP_LogLevel level,

content/renderer/pepper/pepper_broker.cc

@@ -1,254 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "content/renderer/pepper/pepper_broker.h"
-
-#include "build/build_config.h"
-#include "content/renderer/pepper/pepper_proxy_channel_delegate_impl.h"
-#include "content/renderer/pepper/plugin_module.h"
-#include "content/renderer/pepper/ppb_broker_impl.h"
-#include "content/renderer/pepper/renderer_restrict_dispatch_group.h"
-#include "ipc/ipc_channel_handle.h"
-#include "ppapi/proxy/broker_dispatcher.h"
-#include "ppapi/proxy/ppapi_messages.h"
-#include "ppapi/shared_impl/platform_file.h"
-
-#if defined(OS_POSIX)
-#include "base/posix/eintr_wrapper.h"
-#endif
-
-#if defined(OS_WIN)
-#include <windows.h>
-#endif
-
-namespace content {
-
-namespace {
-
-base::SyncSocket::Handle DuplicateHandle(base::SyncSocket::Handle handle) {
-  base::SyncSocket::Handle out_handle = base::SyncSocket::kInvalidHandle;
-#if defined(OS_WIN)
-  DWORD options = DUPLICATE_SAME_ACCESS;
-  if (!::DuplicateHandle(::GetCurrentProcess(),
-                         handle,
-                         ::GetCurrentProcess(),
-                         &out_handle,
-                         0,
-                         FALSE,
-                         options)) {
-    out_handle = base::SyncSocket::kInvalidHandle;
-  }
-#elif defined(OS_POSIX)
-  // If asked to close the source, we can simply re-use the source fd instead of
-  // dup()ing and close()ing.
-  out_handle = HANDLE_EINTR(::dup(handle));
-#else
-#error Not implemented.
-#endif
-  return out_handle;
-}
-
-}  // namespace
-
-PepperBrokerDispatcherWrapper::PepperBrokerDispatcherWrapper() {}
-
-PepperBrokerDispatcherWrapper::~PepperBrokerDispatcherWrapper() {}
-
-bool PepperBrokerDispatcherWrapper::Init(
-    base::ProcessId broker_pid,
-    const IPC::ChannelHandle& channel_handle) {
-  if (!channel_handle.is_mojo_channel_handle())
-    return false;
-
-  dispatcher_delegate_.reset(new PepperProxyChannelDelegateImpl);
-  dispatcher_.reset(new ppapi::proxy::BrokerHostDispatcher());
-
-  if (!dispatcher_->InitBrokerWithChannel(dispatcher_delegate_.get(),
-                                          broker_pid,
-                                          channel_handle,
-                                          true)) {  // Client.
-    dispatcher_.reset();
-    dispatcher_delegate_.reset();
-    return false;
-  }
-  dispatcher_->channel()->SetRestrictDispatchChannelGroup(
-      kRendererRestrictDispatchGroup_Pepper);
-  return true;
-}
-
-// Does not take ownership of the local pipe.
-int32_t PepperBrokerDispatcherWrapper::SendHandleToBroker(
-    PP_Instance instance,
-    base::SyncSocket::Handle handle) {
-  IPC::PlatformFileForTransit foreign_socket_handle =
-      dispatcher_->ShareHandleWithRemote(handle, false);
-  if (foreign_socket_handle == IPC::InvalidPlatformFileForTransit())
-    return PP_ERROR_FAILED;
-
-  int32_t result = PP_ERROR_FAILED;
-  if (!dispatcher_->Send(new PpapiMsg_ConnectToPlugin(
-          instance, foreign_socket_handle, &result))) {
-    // The plugin did not receive the handle, so it must be closed.
-    // The easiest way to clean it up is to just put it in an object
-    // and then close it. This failure case is not performance critical.
-    // The handle could still leak if Send succeeded but the IPC later failed.
-    base::SyncSocket temp_socket(
-        IPC::PlatformFileForTransitToPlatformFile(foreign_socket_handle));
-    return PP_ERROR_FAILED;
-  }
-
-  return result;
-}
-
-PepperBroker::PepperBroker(PluginModule* plugin_module)
-    : plugin_module_(plugin_module) {
-  DCHECK(plugin_module_);
-
-  plugin_module_->SetBroker(this);
-}
-
-PepperBroker::~PepperBroker() {
-  ReportFailureToClients(PP_ERROR_ABORTED);
-  plugin_module_->SetBroker(nullptr);
-  plugin_module_ = nullptr;
-}
-
-// If the channel is not ready, queue the connection.
-void PepperBroker::AddPendingConnect(PPB_Broker_Impl* client) {
-  DCHECK(pending_connects_.find(client) == pending_connects_.end())
-      << "Connect was already called for this client";
-
-  // Ensure this object and the associated broker exist as long as the
-  // client exists. There is a corresponding Release() call in Disconnect(),
-  // which is called when the PPB_Broker_Impl is destroyed. The only other
-  // possible reference is in pending_connect_broker_, which only holds a
-  // transient reference. This ensures the broker is available as long as the
-  // plugin needs it and allows the plugin to release the broker when it is no
-  // longer using it.
-  AddRef();
-
-  pending_connects_[client].client = client->AsWeakPtr();
-}
-
-void PepperBroker::Disconnect(PPB_Broker_Impl* client) {
-  // Remove the pending connect if one exists. This class will not call client's
-  // callback.
-  pending_connects_.erase(client);
-
-  // TODO(ddorwin): Send message disconnect message using dispatcher_.
-
-  // Release the reference added in Connect().
-  // This must be the last statement because it may delete this object.
-  Release();
-}
-
-void PepperBroker::OnBrokerChannelConnected(
-    base::ProcessId broker_pid,
-    const IPC::ChannelHandle& channel_handle) {
-  std::unique_ptr<PepperBrokerDispatcherWrapper> dispatcher(
-      new PepperBrokerDispatcherWrapper);
-  if (!dispatcher->Init(broker_pid, channel_handle)) {
-    ReportFailureToClients(PP_ERROR_FAILED);
-    return;
-  }
-
-  dispatcher_.reset(dispatcher.release());
-
-  // Process all pending channel requests from the plugins.
-  for (auto i = pending_connects_.begin(); i != pending_connects_.end();) {
-    base::WeakPtr<PPB_Broker_Impl>& weak_ptr = i->second.client;
-    if (!i->second.is_authorized) {
-      ++i;
-      continue;
-    }
-
-    if (weak_ptr.get())
-      ConnectPluginToBroker(weak_ptr.get());
-
-    pending_connects_.erase(i++);
-  }
-}
-
-void PepperBroker::OnBrokerPermissionResult(PPB_Broker_Impl* client,
-                                            bool result) {
-  auto entry = pending_connects_.find(client);
-  if (entry == pending_connects_.end())
-    return;
-
-  if (!entry->second.client.get()) {
-    // Client has gone away.
-    pending_connects_.erase(entry);
-    return;
-  }
-
-  if (!result) {
-    // Report failure.
-    client->BrokerConnected(
-        ppapi::PlatformFileToInt(base::SyncSocket::kInvalidHandle),
-        PP_ERROR_NOACCESS);
-    pending_connects_.erase(entry);
-    return;
-  }
-
-  if (dispatcher_) {
-    ConnectPluginToBroker(client);
-    pending_connects_.erase(entry);
-    return;
-  }
-
-  // Mark the request as authorized, continue waiting for the broker
-  // connection.
-  DCHECK(!entry->second.is_authorized);
-  entry->second.is_authorized = true;
-}
-
-PepperBroker::PendingConnection::PendingConnection() : is_authorized(false) {}
-
-PepperBroker::PendingConnection::PendingConnection(
-    const PendingConnection& other) = default;
-
-PepperBroker::PendingConnection::~PendingConnection() {}
-
-void PepperBroker::ReportFailureToClients(int error_code) {
-  DCHECK_NE(PP_OK, error_code);
-  for (auto i = pending_connects_.begin(); i != pending_connects_.end(); ++i) {
-    base::WeakPtr<PPB_Broker_Impl>& weak_ptr = i->second.client;
-    if (weak_ptr.get()) {
-      weak_ptr->BrokerConnected(
-          ppapi::PlatformFileToInt(base::SyncSocket::kInvalidHandle),
-          error_code);
-    }
-  }
-  pending_connects_.clear();
-}
-
-void PepperBroker::ConnectPluginToBroker(PPB_Broker_Impl* client) {
-  base::SyncSocket::Handle plugin_handle = base::SyncSocket::kInvalidHandle;
-  int32_t result = PP_OK;
-
-  // The socket objects will be deleted when this function exits, closing the
-  // handles. Any uses of the socket must duplicate them.
-  std::unique_ptr<base::SyncSocket> broker_socket(new base::SyncSocket());
-  std::unique_ptr<base::SyncSocket> plugin_socket(new base::SyncSocket());
-  if (base::SyncSocket::CreatePair(broker_socket.get(), plugin_socket.get())) {
-    result = dispatcher_->SendHandleToBroker(client->pp_instance(),
-                                             broker_socket->handle());
-
-    // If the broker has its pipe handle, duplicate the plugin's handle.
-    // Otherwise, the plugin's handle will be automatically closed.
-    if (result == PP_OK)
-      plugin_handle = DuplicateHandle(plugin_socket->handle());
-  } else {
-    result = PP_ERROR_FAILED;
-  }
-
-  // TODO(ddorwin): Change the IPC to asynchronous: Queue an object containing
-  // client and plugin_socket.release(), then return.
-  // That message handler will then call client->BrokerConnected() with the
-  // saved pipe handle.
-  // Temporarily, just call back.
-  client->BrokerConnected(ppapi::PlatformFileToInt(plugin_handle), result);
-}
-
-}  // namespace content

content/renderer/pepper/pepper_broker.h

@@ -1,107 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CONTENT_RENDERER_PEPPER_PEPPER_BROKER_H_
-#define CONTENT_RENDERER_PEPPER_PEPPER_BROKER_H_
-
-#include <stdint.h>
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/process/process.h"
-#include "base/sync_socket.h"
-#include "content/common/content_export.h"
-#include "content/renderer/pepper/ppb_broker_impl.h"
-#include "ppapi/proxy/proxy_channel.h"
-
-namespace IPC {
-struct ChannelHandle;
-}
-
-namespace ppapi {
-namespace proxy {
-class BrokerDispatcher;
-}
-}
-
-namespace content {
-
-class PluginModule;
-
-// This object is NOT thread-safe.
-class CONTENT_EXPORT PepperBrokerDispatcherWrapper {
- public:
-  PepperBrokerDispatcherWrapper();
-  ~PepperBrokerDispatcherWrapper();
-
-  bool Init(base::ProcessId broker_pid,
-            const IPC::ChannelHandle& channel_handle);
-
-  int32_t SendHandleToBroker(PP_Instance instance,
-                             base::SyncSocket::Handle handle);
-
- private:
-  std::unique_ptr<ppapi::proxy::BrokerDispatcher> dispatcher_;
-  std::unique_ptr<ppapi::proxy::ProxyChannel::Delegate> dispatcher_delegate_;
-};
-
-class PepperBroker : public base::RefCountedThreadSafe<PepperBroker> {
- public:
-  explicit PepperBroker(PluginModule* plugin_module);
-
-  // Decrements the references to the broker.
-  // When there are no more references, this renderer's dispatcher is
-  // destroyed, allowing the broker to shutdown if appropriate.
-  // Callers should not reference this object after calling Disconnect().
-  void Disconnect(PPB_Broker_Impl* client);
-
-  // Adds a pending connection to the broker. Balances out Disconnect() calls.
-  void AddPendingConnect(PPB_Broker_Impl* client);
-
-  // Called when the channel to the broker has been established.
-  void OnBrokerChannelConnected(base::ProcessId broker_pid,
-                                const IPC::ChannelHandle& channel_handle);
-
-  // Called when we know whether permission to access the PPAPI broker was
-  // granted.
-  void OnBrokerPermissionResult(PPB_Broker_Impl* client, bool result);
-
- private:
-  friend class base::RefCountedThreadSafe<PepperBroker>;
-
-  struct PendingConnection {
-    PendingConnection();
-    PendingConnection(const PendingConnection& other);
-    ~PendingConnection();
-
-    bool is_authorized;
-    base::WeakPtr<PPB_Broker_Impl> client;
-  };
-
-  virtual ~PepperBroker();
-
-  // Reports failure to all clients that had pending operations.
-  void ReportFailureToClients(int error_code);
-
-  // Connects the plugin to the broker via a pipe.
-  void ConnectPluginToBroker(PPB_Broker_Impl* client);
-
-  std::unique_ptr<PepperBrokerDispatcherWrapper> dispatcher_;
-
-  // A map of pointers to objects that have requested a connection to the weak
-  // pointer we can use to reference them. The mapping is needed so we can clean
-  // up entries for objects that may have been deleted.
-  typedef std::map<PPB_Broker_Impl*, PendingConnection> ClientMap;
-  ClientMap pending_connects_;
-
-  // Pointer to the associated plugin module.
-  // Always set and cleared at the same time as the module's pointer to this.
-  PluginModule* plugin_module_;
-
-  DISALLOW_COPY_AND_ASSIGN(PepperBroker);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_PEPPER_PEPPER_BROKER_H_

content/renderer/pepper/pepper_broker_unittest.cc

@@ -1,51 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "content/renderer/pepper/pepper_broker.h"
-
-#if defined(OS_POSIX)
-#include <fcntl.h>
-#include <sys/socket.h>
-#endif  // defined(OS_POSIX)
-
-#include "base/test/task_environment.h"
-#include "build/build_config.h"
-#include "content/renderer/render_process.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace content {
-
-class PepperBrokerTest : public ::testing::Test {
- protected:
-  PepperBrokerTest()
-      : task_environment_(base::test::TaskEnvironment::MainThreadType::IO) {}
-  base::test::TaskEnvironment task_environment_;
-  // We need a render process for ppapi::proxy::ProxyChannel to work.
-  RenderProcess process_;
-};
-
-// Try to initialize PepperBrokerDispatcherWrapper with invalid ChannelHandle.
-// Initialization should fail.
-TEST_F(PepperBrokerTest, InitFailure) {
-  PepperBrokerDispatcherWrapper dispatcher_wrapper;
-  IPC::ChannelHandle invalid_channel;  // Invalid by default.
-
-  // An invalid handle should result in a failure (false) without a LOG(FATAL),
-  // such as the one in CreatePipe().  Call it twice because without the invalid
-  // handle check, the posix code would hit a one-time path due to a static
-  // variable and go through the LOG(FATAL) path.
-  EXPECT_FALSE(dispatcher_wrapper.Init(base::kNullProcessId, invalid_channel));
-  EXPECT_FALSE(dispatcher_wrapper.Init(base::kNullProcessId, invalid_channel));
-}
-
-// On valid ChannelHandle, initialization should succeed.
-TEST_F(PepperBrokerTest, InitSuccess) {
-  PepperBrokerDispatcherWrapper dispatcher_wrapper;
-  mojo::MessagePipe pipe;
-  IPC::ChannelHandle valid_channel(pipe.handle0.release());
-
-  EXPECT_TRUE(dispatcher_wrapper.Init(base::kNullProcessId, valid_channel));
-}
-
-}  // namespace content

content/renderer/pepper/pepper_plugin_instance_impl.cc

@@ -2544,7 +2544,6 @@ ppapi::Resource* PepperPluginInstanceImpl::GetSingletonResource(
     ppapi::SingletonResourceID id) {
   // Flash APIs and some others aren't implemented in-process.
   switch (id) {
-    case ppapi::BROKER_SINGLETON_ID:
     case ppapi::BROWSER_FONT_SINGLETON_ID:
     case ppapi::FLASH_FULLSCREEN_SINGLETON_ID:
     case ppapi::ISOLATED_FILESYSTEM_SINGLETON_ID:

content/renderer/pepper/plugin_module.cc

@@ -118,7 +118,6 @@
 #include "ppapi/c/private/ppb_udp_socket_private.h"
 #include "ppapi/c/private/ppb_uma_private.h"
 #include "ppapi/c/private/ppb_x509_certificate_private.h"
-#include "ppapi/c/trusted/ppb_broker_trusted.h"
 #include "ppapi/c/trusted/ppb_browser_font_trusted.h"
 #include "ppapi/c/trusted/ppb_char_set_trusted.h"
 #include "ppapi/c/trusted/ppb_file_chooser_trusted.h"
@@ -485,7 +484,6 @@ PluginModule::PluginModule(const std::string& name,
     : callback_tracker_(new ppapi::CallbackTracker),
       is_in_destructor_(false),
       is_crashed_(false),
-      broker_(nullptr),
       library_(nullptr),
       name_(name),
       version_(version),
@@ -690,13 +688,6 @@ bool PluginModule::ReserveInstanceID(PP_Instance instance) {
   return true;  // Instance ID is usable.
 }
 
-void PluginModule::SetBroker(PepperBroker* broker) {
-  DCHECK(!broker_ || !broker);
-  broker_ = broker;
-}
-
-PepperBroker* PluginModule::GetBroker() { return broker_; }
-
 RendererPpapiHostImpl* PluginModule::CreateOutOfProcessModule(
     RenderFrameImpl* render_frame,
     const base::FilePath& path,

content/renderer/pepper/plugin_module.h

@@ -50,7 +50,6 @@ class WebPluginContainer;
 namespace content {
 class HostDispatcherWrapper;
 class PepperPluginInstanceImpl;
-class PepperBroker;
 class RendererPpapiHostImpl;
 class RenderFrameImpl;
 struct WebPluginInfo;
@@ -183,10 +182,6 @@ class CONTENT_EXPORT PluginModule : public base::RefCounted<PluginModule>,
   void SetReserveInstanceIDCallback(PP_Bool (*reserve)(PP_Module, PP_Instance));
   bool ReserveInstanceID(PP_Instance instance);
 
-  // These should only be called from the main thread.
-  void SetBroker(PepperBroker* broker);
-  PepperBroker* GetBroker();
-
   // Create a new HostDispatcher for proxying, hook it to the PluginModule,
   // and perform other common initialization.
   RendererPpapiHostImpl* CreateOutOfProcessModule(
@@ -249,10 +244,6 @@ class CONTENT_EXPORT PluginModule : public base::RefCounted<PluginModule>,
   // entry_points_ aren't valid.
   std::unique_ptr<HostDispatcherWrapper> host_dispatcher_wrapper_;
 
-  // Non-owning pointer to the broker for this plugin module, if one exists.
-  // It is populated and cleared in the main thread.
-  PepperBroker* broker_;
-
   // Holds a reference to the base::NativeLibrary handle if this PluginModule
   // instance wraps functions loaded from a library.  Can be NULL.  If
   // |library_| is non-NULL, PluginModule will attempt to unload the library

content/renderer/pepper/ppb_broker_impl.cc

@@ -1,151 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "content/renderer/pepper/ppb_broker_impl.h"
-
-#include "base/check.h"
-#include "base/metrics/histogram_macros.h"
-#include "content/common/frame_messages.h"
-#include "content/common/view_messages.h"
-#include "content/renderer/pepper/host_globals.h"
-#include "content/renderer/pepper/pepper_broker.h"
-#include "content/renderer/pepper/pepper_plugin_instance_impl.h"
-#include "content/renderer/pepper/plugin_module.h"
-#include "content/renderer/render_thread_impl.h"
-#include "content/renderer/render_view_impl.h"
-#include "ppapi/c/pp_errors.h"
-#include "ppapi/shared_impl/platform_file.h"
-#include "third_party/blink/public/web/web_document.h"
-#include "third_party/blink/public/web/web_plugin_container.h"
-
-using ppapi::PlatformFileToInt;
-using ppapi::thunk::PPB_Broker_API;
-using ppapi::TrackedCallback;
-
-namespace content {
-
-enum class PepperBrokerAction { CREATE = 0, CONNECT = 1, NUM };
-
-// PPB_Broker_Impl ------------------------------------------------------
-
-PPB_Broker_Impl::PPB_Broker_Impl(PP_Instance instance)
-    : Resource(ppapi::OBJECT_IS_IMPL, instance),
-      broker_(nullptr),
-      connect_callback_(),
-      pipe_handle_(PlatformFileToInt(base::SyncSocket::kInvalidHandle)),
-      routing_id_(RenderThreadImpl::current()->GenerateRoutingID()) {
-  ChildThreadImpl::current()->GetRouter()->AddRoute(routing_id_, this);
-
-  UMA_HISTOGRAM_ENUMERATION("Pepper.BrokerAction", PepperBrokerAction::CREATE,
-                            PepperBrokerAction::NUM);
-}
-
-PPB_Broker_Impl::~PPB_Broker_Impl() {
-  if (broker_) {
-    broker_->Disconnect(this);
-    broker_ = nullptr;
-  }
-
-  // The plugin owns the handle.
-  pipe_handle_ = PlatformFileToInt(base::SyncSocket::kInvalidHandle);
-  ChildThreadImpl::current()->GetRouter()->RemoveRoute(routing_id_);
-}
-
-PPB_Broker_API* PPB_Broker_Impl::AsPPB_Broker_API() { return this; }
-
-int32_t PPB_Broker_Impl::Connect(
-    scoped_refptr<TrackedCallback> connect_callback) {
-  // TODO(ddorwin): Return PP_ERROR_FAILED if plugin is in-process.
-
-  if (broker_) {
-    // May only be called once.
-    return PP_ERROR_FAILED;
-  }
-
-  PepperPluginInstanceImpl* plugin_instance =
-      HostGlobals::Get()->GetInstance(pp_instance());
-  if (!plugin_instance)
-    return PP_ERROR_FAILED;
-  PluginModule* module = plugin_instance->module();
-  const base::FilePath& broker_path = module->path();
-
-  // The callback must be populated now in case we are connected to the broker
-  // and BrokerConnected is called before ConnectToBroker returns.
-  // Because it must be created now, it must be aborted and cleared if
-  // ConnectToBroker fails.
-  connect_callback_ = connect_callback;
-
-  broker_ = module->GetBroker();
-  if (!broker_) {
-    broker_ = new PepperBroker(module);
-
-    // Have the browser start the broker process for us.
-    RenderThreadImpl::current()->Send(
-        new FrameHostMsg_OpenChannelToPpapiBroker(routing_id_, broker_path));
-  }
-
-  RenderThreadImpl::current()->Send(
-      new ViewHostMsg_RequestPpapiBrokerPermission(
-          plugin_instance->render_frame()->render_view()->GetRoutingID(),
-          routing_id_,
-          GetDocumentUrl(),
-          broker_path));
-
-  // Adds a reference, ensuring that the broker is not deleted when
-  // |broker| goes out of scope.
-  broker_->AddPendingConnect(this);
-
-  return PP_OK_COMPLETIONPENDING;
-}
-
-int32_t PPB_Broker_Impl::GetHandle(int32_t* handle) {
-  if (pipe_handle_ == PlatformFileToInt(base::SyncSocket::kInvalidHandle))
-    return PP_ERROR_FAILED;  // Handle not set yet.
-  *handle = pipe_handle_;
-  return PP_OK;
-}
-
-GURL PPB_Broker_Impl::GetDocumentUrl() {
-  PepperPluginInstanceImpl* plugin_instance =
-      HostGlobals::Get()->GetInstance(pp_instance());
-  return plugin_instance->container()->GetDocument().Url();
-}
-
-// Transfers ownership of the handle to the plugin.
-void PPB_Broker_Impl::BrokerConnected(int32_t handle, int32_t result) {
-  DCHECK(pipe_handle_ == PlatformFileToInt(base::SyncSocket::kInvalidHandle));
-  DCHECK(result == PP_OK ||
-         handle == PlatformFileToInt(base::SyncSocket::kInvalidHandle));
-
-  pipe_handle_ = handle;
-
-  // Synchronous calls are not supported.
-  DCHECK(TrackedCallback::IsPending(connect_callback_));
-
-  connect_callback_->Run(result);
-}
-
-bool PPB_Broker_Impl::OnMessageReceived(const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(PPB_Broker_Impl, message)
-    IPC_MESSAGE_HANDLER(ViewMsg_PpapiBrokerChannelCreated,
-                        OnPpapiBrokerChannelCreated)
-    IPC_MESSAGE_HANDLER(ViewMsg_PpapiBrokerPermissionResult,
-                        OnPpapiBrokerPermissionResult)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void PPB_Broker_Impl::OnPpapiBrokerChannelCreated(
-    base::ProcessId broker_pid,
-    const IPC::ChannelHandle& handle) {
-  broker_->OnBrokerChannelConnected(broker_pid, handle);
-}
-
-void PPB_Broker_Impl::OnPpapiBrokerPermissionResult(bool result) {
-  broker_->OnBrokerPermissionResult(this, result);
-}
-
-}  // namespace content

content/renderer/pepper/ppb_broker_impl.h

@@ -1,79 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CONTENT_RENDERER_PEPPER_PPB_BROKER_IMPL_H_
-#define CONTENT_RENDERER_PEPPER_PPB_BROKER_IMPL_H_
-
-#include <stdint.h>
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "base/process/process.h"
-#include "ipc/ipc_listener.h"
-#include "ppapi/c/pp_completion_callback.h"
-#include "ppapi/c/trusted/ppb_broker_trusted.h"
-#include "ppapi/shared_impl/resource.h"
-#include "ppapi/shared_impl/tracked_callback.h"
-#include "ppapi/thunk/ppb_broker_api.h"
-
-class GURL;
-
-namespace IPC {
-struct ChannelHandle;
-}
-
-namespace content {
-class PepperBroker;
-
-class PPB_Broker_Impl : public ppapi::Resource,
-                        public ppapi::thunk::PPB_Broker_API,
-                        public IPC::Listener,
-                        public base::SupportsWeakPtr<PPB_Broker_Impl> {
- public:
-  explicit PPB_Broker_Impl(PP_Instance instance);
-
-  // Resource override.
-  ppapi::thunk::PPB_Broker_API* AsPPB_Broker_API() override;
-
-  // PPB_BrokerTrusted implementation.
-  int32_t Connect(
-      scoped_refptr<ppapi::TrackedCallback> connect_callback) override;
-  int32_t GetHandle(int32_t* handle) override;
-
-  // Returns the URL of the document this plugin runs in. This is necessary to
-  // decide whether to grant access to the PPAPI broker.
-  GURL GetDocumentUrl();
-
-  void BrokerConnected(int32_t handle, int32_t result);
-
- private:
-  ~PPB_Broker_Impl() override;
-
-  // IPC::Listener implementation.
-  bool OnMessageReceived(const IPC::Message& message) override;
-
-  void OnPpapiBrokerChannelCreated(base::ProcessId broker_pid,
-                                   const IPC::ChannelHandle& handle);
-  void OnPpapiBrokerPermissionResult(bool result);
-
-  // PluginDelegate ppapi broker object.
-  // We don't own this pointer but are responsible for calling Disconnect on it.
-  PepperBroker* broker_;
-
-  // Callback invoked from BrokerConnected.
-  scoped_refptr<ppapi::TrackedCallback> connect_callback_;
-
-  // Pipe handle for the plugin instance to use to communicate with the broker.
-  // Never owned by this object.
-  int32_t pipe_handle_;
-
-  int routing_id_;
-
-  DISALLOW_COPY_AND_ASSIGN(PPB_Broker_Impl);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_PEPPER_PPB_BROKER_IMPL_H_

content/renderer/pepper/resource_creation_impl.cc

@@ -7,7 +7,6 @@
 #include "build/build_config.h"
 #include "content/common/content_switches_internal.h"
 #include "content/renderer/pepper/ppb_audio_impl.h"
-#include "content/renderer/pepper/ppb_broker_impl.h"
 #include "content/renderer/pepper/ppb_buffer_impl.h"
 #include "content/renderer/pepper/ppb_graphics_3d_impl.h"
 #include "content/renderer/pepper/ppb_image_data_impl.h"
@@ -72,10 +71,6 @@ PP_Resource ResourceCreationImpl::CreateAudioOutput(PP_Instance instance) {
   return 0;  // Not supported in-process.
 }
 
-PP_Resource ResourceCreationImpl::CreateBroker(PP_Instance instance) {
-  return (new PPB_Broker_Impl(instance))->GetReference();
-}
-
 PP_Resource ResourceCreationImpl::CreateBuffer(PP_Instance instance,
                                                uint32_t size) {
   return PPB_Buffer_Impl::Create(instance, size);

content/renderer/pepper/resource_creation_impl.h

@@ -39,7 +39,6 @@ class ResourceCreationImpl : public ppapi::thunk::ResourceCreationAPI {
                                 uint32_t sample_frame_count) override;
   PP_Resource CreateAudioInput(PP_Instance instance) override;
   PP_Resource CreateAudioOutput(PP_Instance instance) override;
-  PP_Resource CreateBroker(PP_Instance instance) override;
   PP_Resource CreateBuffer(PP_Instance instance, uint32_t size) override;
   PP_Resource CreateCameraDevicePrivate(PP_Instance instance) override;
   PP_Resource CreateFlashFontFile(

content/test/BUILD.gn

@@ -2285,7 +2285,6 @@ test("content_unittests") {
   if (enable_plugins) {
     sources += [
       "../browser/plugin_content_origin_allowlist_unittest.cc",
-      "../browser/plugin_service_impl_unittest.cc",
       "../browser/renderer_host/pepper/browser_ppapi_host_test.cc",
       "../browser/renderer_host/pepper/browser_ppapi_host_test.h",
       "../browser/renderer_host/pepper/pepper_file_system_browser_host_unittest.cc",
@@ -2296,7 +2295,6 @@ test("content_unittests") {
       "../renderer/pepper/event_conversion_unittest.cc",
       "../renderer/pepper/host_var_tracker_unittest.cc",
       "../renderer/pepper/mock_resource.h",
-      "../renderer/pepper/pepper_broker_unittest.cc",
       "../renderer/pepper/plugin_instance_throttler_impl_unittest.cc",
       "../renderer/pepper/v8_var_converter_unittest.cc",
     ]

ppapi/BUILD.gn

@@ -163,8 +163,6 @@ copy("copy_test_files2") {
 source_set("ppapi_tests_sources") {
   sources = test_common_source_files
   sources += [
-    "tests/test_broker.cc",
-    "tests/test_broker.h",
     "tests/test_browser_font.cc",
     "tests/test_browser_font.h",
     "tests/test_buffer.cc",

ppapi/api/trusted/ppb_broker_trusted.idl

@@ -1,77 +0,0 @@
-/* Copyright (c) 2012 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/**
- * This file defines the PPB_BrokerTrusted interface, which provides
- * access to a trusted broker with greater privileges than the plugin.
- */
-
-label Chrome {
-  M14 = 0.2,
-  M25 = 0.3
-};
-
-/**
- * The PPB_BrokerTrusted interface provides access to a trusted broker
- * with greater privileges than the plugin. The interface only supports
- * out-of-process plugins and is to be used by proxy implementations.  All
- * functions should be called from the main thread only.
- *
- * A PPB_BrokerTrusted resource represents a connection to the broker. Its
- * lifetime controls the lifetime of the broker, regardless of whether the
- * handle is closed. The handle should be closed before the resource is
- * released.
- */
-[macro="PPB_BROKER_TRUSTED_INTERFACE"]
-interface PPB_BrokerTrusted {
-  /**
-   * Returns a trusted broker resource.
-   */
-  PP_Resource CreateTrusted([in] PP_Instance instance);
-
-  /**
-   * Returns true if the resource is a trusted broker.
-   */
-  PP_Bool IsBrokerTrusted([in] PP_Resource resource);
-
-  /**
-   * Connects to the trusted broker. It may have already
-   * been launched by another instance.
-   * The plugin takes ownership of the handle once the callback has been called
-   * with a result of PP_OK. The plugin should immediately call GetHandle and
-   * begin managing it. If the result is not PP_OK, the browser still owns the
-   * handle.
-   *
-   * Returns PP_ERROR_WOULD_BLOCK on success, and invokes
-   * the |connect_callback| asynchronously to complete.
-   * As this function should always be invoked from the main thread,
-   * do not use the blocking variant of PP_CompletionCallback.
-   * Returns PP_ERROR_FAILED if called from an in-process plugin.
-   */
-  int32_t Connect([in] PP_Resource broker,
-                  [in] PP_CompletionCallback connect_callback);
-
-  /**
-   * Gets the handle to the pipe. Use once Connect has completed. Each instance
-   * of this interface has its own pipe.
-   *
-   * Returns PP_OK on success, and places the result into the given output
-   * parameter. The handle is only set when returning PP_OK. Calling this
-   * before connect has completed will return PP_ERROR_FAILED.
-   */
-  int32_t GetHandle([in] PP_Resource broker, [out] int32_t handle);
-
-  /**
-   * Returns PP_TRUE if the plugin has permission to launch the broker. A user
-   * must explicitly grant permission to launch the broker for a particular
-   * website. This is done through an infobar that is displayed when |Connect|
-   * is called. This function returns PP_TRUE if the user has already granted
-   * permission to launch the broker for the website containing this plugin
-   * instance. Returns PP_FALSE otherwise.
-   */
-  [version=0.3]
-  PP_Bool IsAllowed([in] PP_Resource broker);
-};
-

ppapi/api/trusted/ppp_broker.idl

@@ -1,94 +0,0 @@
-/* Copyright (c) 2012 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/**
- * This file defines functions that your module must implement to support a
- * broker.
- */
-
-#inline c
-// {PENDING: undefine PP_EXPORT?}
-
-#include "ppapi/c/pp_instance.h"
-#include "ppapi/c/pp_stdint.h"
-
-
-#if __GNUC__ >= 4
-
-#define PP_EXPORT __attribute__ ((visibility("default")))
-#elif defined(_MSC_VER)
-#define PP_EXPORT __declspec(dllexport)
-#endif
-
-
-
-/* We don't want name mangling for these external functions.  We only need
- * 'extern "C"' if we're compiling with a C++ compiler.
- */
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * @addtogroup Typedefs
- * @{
- */
-
-/**
- * PP_ConnectInstance_Func defines the signature that you implement to
- * receive notifications when a plugin instance connects to the broker.
- * The broker should listen on the socket before returning.
- *
- * @param[in] instance The plugin instance connecting to the broker.
- * @param[in] handle Handle to a socket the broker can use to communicate with
- * the plugin.
- * @return PP_OK on success. Any other value on failure.
- */
-typedef int32_t (*PP_ConnectInstance_Func)(PP_Instance instance,
-                                           int32_t handle);
-/**
- * @}
- */
-
-/**
- * @addtogroup Functions
- * @{
- */
-
-/**
- * PPP_InitializeBroker() is the entry point for a broker and is
- * called by the browser when your module loads. Your code must implement this
- * function.
- *
- * Failure indicates to the browser that this broker can not be used. In this
- * case, the broker will be unloaded.
- *
- * @param[out] connect_instance_func A pointer to a connect instance function.
- * @return PP_OK on success. Any other value on failure.
-*/
-PP_EXPORT int32_t PPP_InitializeBroker(
-    PP_ConnectInstance_Func* connect_instance_func);
-/**
- * @}
- */
-
-/**
- * @addtogroup Functions
- * @{
- */
-
-/** PPP_ShutdownBroker() is called before the broker is unloaded.
- */
-PP_EXPORT void PPP_ShutdownBroker();
-/**
- * @}
- */
-
-#ifdef __cplusplus
-}  /* extern "C" */
-#endif
-
-#endinl
-

ppapi/c/BUILD.gn

@@ -143,11 +143,9 @@ source_set("c") {
     "dev/ppp_class_deprecated.h",
 
     # Trusted interfaces.
-    "trusted/ppb_broker_trusted.h",
     "trusted/ppb_browser_font_trusted.h",
     "trusted/ppb_char_set_trusted.h",
     "trusted/ppb_file_chooser_trusted.h",
     "trusted/ppb_url_loader_trusted.h",
-    "trusted/ppp_broker.h",
   ]
 }

ppapi/c/trusted/ppb_broker_trusted.h

@@ -1,103 +0,0 @@
-/* Copyright (c) 2012 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* From trusted/ppb_broker_trusted.idl modified Mon Dec  3 11:10:40 2012. */
-
-#ifndef PPAPI_C_TRUSTED_PPB_BROKER_TRUSTED_H_
-#define PPAPI_C_TRUSTED_PPB_BROKER_TRUSTED_H_
-
-#include "ppapi/c/pp_bool.h"
-#include "ppapi/c/pp_completion_callback.h"
-#include "ppapi/c/pp_instance.h"
-#include "ppapi/c/pp_macros.h"
-#include "ppapi/c/pp_resource.h"
-#include "ppapi/c/pp_stdint.h"
-
-#define PPB_BROKER_TRUSTED_INTERFACE_0_2 "PPB_BrokerTrusted;0.2"
-#define PPB_BROKER_TRUSTED_INTERFACE_0_3 "PPB_BrokerTrusted;0.3"
-#define PPB_BROKER_TRUSTED_INTERFACE PPB_BROKER_TRUSTED_INTERFACE_0_3
-
-/**
- * @file
- * This file defines the PPB_BrokerTrusted interface, which provides
- * access to a trusted broker with greater privileges than the plugin.
- */
-
-
-/**
- * @addtogroup Interfaces
- * @{
- */
-/**
- * The PPB_BrokerTrusted interface provides access to a trusted broker
- * with greater privileges than the plugin. The interface only supports
- * out-of-process plugins and is to be used by proxy implementations.  All
- * functions should be called from the main thread only.
- *
- * A PPB_BrokerTrusted resource represents a connection to the broker. Its
- * lifetime controls the lifetime of the broker, regardless of whether the
- * handle is closed. The handle should be closed before the resource is
- * released.
- */
-struct PPB_BrokerTrusted_0_3 {
-  /**
-   * Returns a trusted broker resource.
-   */
-  PP_Resource (*CreateTrusted)(PP_Instance instance);
-  /**
-   * Returns true if the resource is a trusted broker.
-   */
-  PP_Bool (*IsBrokerTrusted)(PP_Resource resource);
-  /**
-   * Connects to the trusted broker. It may have already
-   * been launched by another instance.
-   * The plugin takes ownership of the handle once the callback has been called
-   * with a result of PP_OK. The plugin should immediately call GetHandle and
-   * begin managing it. If the result is not PP_OK, the browser still owns the
-   * handle.
-   *
-   * Returns PP_ERROR_WOULD_BLOCK on success, and invokes
-   * the |connect_callback| asynchronously to complete.
-   * As this function should always be invoked from the main thread,
-   * do not use the blocking variant of PP_CompletionCallback.
-   * Returns PP_ERROR_FAILED if called from an in-process plugin.
-   */
-  int32_t (*Connect)(PP_Resource broker,
-                     struct PP_CompletionCallback connect_callback);
-  /**
-   * Gets the handle to the pipe. Use once Connect has completed. Each instance
-   * of this interface has its own pipe.
-   *
-   * Returns PP_OK on success, and places the result into the given output
-   * parameter. The handle is only set when returning PP_OK. Calling this
-   * before connect has completed will return PP_ERROR_FAILED.
-   */
-  int32_t (*GetHandle)(PP_Resource broker, int32_t* handle);
-  /**
-   * Returns PP_TRUE if the plugin has permission to launch the broker. A user
-   * must explicitly grant permission to launch the broker for a particular
-   * website. This is done through an infobar that is displayed when |Connect|
-   * is called. This function returns PP_TRUE if the user has already granted
-   * permission to launch the broker for the website containing this plugin
-   * instance. Returns PP_FALSE otherwise.
-   */
-  PP_Bool (*IsAllowed)(PP_Resource broker);
-};
-
-typedef struct PPB_BrokerTrusted_0_3 PPB_BrokerTrusted;
-
-struct PPB_BrokerTrusted_0_2 {
-  PP_Resource (*CreateTrusted)(PP_Instance instance);
-  PP_Bool (*IsBrokerTrusted)(PP_Resource resource);
-  int32_t (*Connect)(PP_Resource broker,
-                     struct PP_CompletionCallback connect_callback);
-  int32_t (*GetHandle)(PP_Resource broker, int32_t* handle);
-};
-/**
- * @}
- */
-
-#endif  /* PPAPI_C_TRUSTED_PPB_BROKER_TRUSTED_H_ */
-

ppapi/c/trusted/ppp_broker.h

@@ -1,102 +0,0 @@
-/* Copyright (c) 2011 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* From trusted/ppp_broker.idl modified Sat Jul 16 16:51:03 2011. */
-
-#ifndef PPAPI_C_TRUSTED_PPP_BROKER_H_
-#define PPAPI_C_TRUSTED_PPP_BROKER_H_
-
-#include "ppapi/c/pp_macros.h"
-
-/**
- * @file
- * This file defines functions that your module must implement to support a
- * broker.
- */
-
-
-// {PENDING: undefine PP_EXPORT?}
-
-#include "ppapi/c/pp_instance.h"
-#include "ppapi/c/pp_stdint.h"
-
-
-#if __GNUC__ >= 4
-
-#define PP_EXPORT __attribute__ ((visibility("default")))
-#elif defined(_MSC_VER)
-#define PP_EXPORT __declspec(dllexport)
-#endif
-
-
-
-/* We don't want name mangling for these external functions.  We only need
- * 'extern "C"' if we're compiling with a C++ compiler.
- */
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * @addtogroup Typedefs
- * @{
- */
-
-/**
- * PP_ConnectInstance_Func defines the signature that you implement to
- * receive notifications when a plugin instance connects to the broker.
- * The broker should listen on the socket before returning.
- *
- * @param[in] instance The plugin instance connecting to the broker.
- * @param[in] handle Handle to a socket the broker can use to communicate with
- * the plugin.
- * @return PP_OK on success. Any other value on failure.
- */
-typedef int32_t (*PP_ConnectInstance_Func)(PP_Instance instance,
-                                           int32_t handle);
-/**
- * @}
- */
-
-/**
- * @addtogroup Functions
- * @{
- */
-
-/**
- * PPP_InitializeBroker() is the entry point for a broker and is
- * called by the browser when your module loads. Your code must implement this
- * function.
- *
- * Failure indicates to the browser that this broker can not be used. In this
- * case, the broker will be unloaded.
- *
- * @param[out] connect_instance_func A pointer to a connect instance function.
- * @return PP_OK on success. Any other value on failure.
-*/
-PP_EXPORT int32_t PPP_InitializeBroker(
-    PP_ConnectInstance_Func* connect_instance_func);
-/**
- * @}
- */
-
-/**
- * @addtogroup Functions
- * @{
- */
-
-/** PPP_ShutdownBroker() is called before the broker is unloaded.
- */
-PP_EXPORT void PPP_ShutdownBroker();
-/**
- * @}
- */
-
-#ifdef __cplusplus
-}  /* extern "C" */
-#endif
-
-#endif  /* PPAPI_C_TRUSTED_PPP_BROKER_H_ */
-

ppapi/cpp/module_embedder.h

@@ -22,19 +22,6 @@ class Module;
 /// failure. Upon failure, the module will be unloaded.
 pp::Module* CreateModule();
 
-/// Sets the get interface function in the broker process.
-///
-/// This function is only relevant when you're using the PPB_Broker interface
-/// in a trusted native plugin. In this case, you may need to implement
-/// PPP_GetInterface when the plugin is loaded in the unsandboxed process.
-/// Normally the C++ wrappers implement PPP_GetInterface for you but this
-/// doesn't work in the context of the broker process.
-//
-/// So if you need to implement PPP_* interfaces in the broker process, call
-/// this function in your PPP_InitializeBroker implementation which will set
-/// up the given function as implementing PPP_GetInterface.
-void SetBrokerGetInterfaceFunc(PP_GetInterface_Func broker_get_interface);
-
 }  // namespace pp
 
 #endif  // PPAPI_CPP_MODULE_EMBEDDER_H_

ppapi/native_client/src/untrusted/pnacl_irt_shim/pnacl_shim.c

@@ -2453,10 +2453,6 @@ static void Pnacl_M14_PPP_Messaging_HandleMessage(PP_Instance instance, struct P
 
 /* Not generating wrapper methods for PPP_MouseLock_1_0 */
 
-/* Not generating wrapper methods for PPB_BrokerTrusted_0_2 */
-
-/* Not generating wrapper methods for PPB_BrokerTrusted_0_3 */
-
 /* Not generating wrapper methods for PPB_BrowserFont_Trusted_1_0 */
 
 /* Not generating wrapper methods for PPB_CharSet_Trusted_1_0 */
@@ -4399,10 +4395,6 @@ static const struct PPP_Messaging_1_0 Pnacl_Wrappers_PPP_Messaging_1_0 = {
 
 /* Not generating wrapper interface for PPP_MouseLock_1_0 */
 
-/* Not generating wrapper interface for PPB_BrokerTrusted_0_2 */
-
-/* Not generating wrapper interface for PPB_BrokerTrusted_0_3 */
-
 /* Not generating wrapper interface for PPB_BrowserFont_Trusted_1_0 */
 
 /* Not generating wrapper interface for PPB_CharSet_Trusted_1_0 */

ppapi/proxy/BUILD.gn

@@ -21,8 +21,6 @@ component("proxy") {
     "../utility/completion_callback_factory.h",
     "audio_buffer_resource.cc",
     "audio_buffer_resource.h",
-    "broker_resource.cc",
-    "broker_resource.h",
     "camera_capabilities_resource.cc",
     "camera_capabilities_resource.h",
     "camera_device_resource.cc",
@@ -203,8 +201,6 @@ component("proxy") {
       "audio_input_resource.h",
       "audio_output_resource.cc",
       "audio_output_resource.h",
-      "broker_dispatcher.cc",
-      "broker_dispatcher.h",
       "browser_font_singleton_resource.cc",
       "browser_font_singleton_resource.h",
       "device_enumeration_resource_helper.cc",
@@ -219,8 +215,6 @@ component("proxy") {
       "host_var_serialization_rules.h",
       "pdf_resource.cc",
       "pdf_resource.h",
-      "ppb_broker_proxy.cc",
-      "ppb_broker_proxy.h",
       "ppb_buffer_proxy.cc",
       "ppb_buffer_proxy.h",
       "ppb_var_deprecated_proxy.cc",

ppapi/proxy/broker_dispatcher.cc

@@ -1,100 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ppapi/proxy/broker_dispatcher.h"
-
-#include "base/sync_socket.h"
-#include "ppapi/c/pp_errors.h"
-#include "ppapi/proxy/ppapi_messages.h"
-#include "ppapi/shared_impl/platform_file.h"
-
-namespace ppapi {
-namespace proxy {
-
-BrokerDispatcher::BrokerDispatcher(PP_ConnectInstance_Func connect_instance)
-    : connect_instance_(connect_instance) {
-}
-
-BrokerDispatcher::~BrokerDispatcher() {
-}
-
-bool BrokerDispatcher::InitBrokerWithChannel(
-    ProxyChannel::Delegate* delegate,
-    base::ProcessId peer_pid,
-    const IPC::ChannelHandle& channel_handle,
-    bool is_client) {
-  return ProxyChannel::InitWithChannel(delegate, peer_pid, channel_handle,
-                                       is_client,
-                                       base::ThreadTaskRunnerHandle::Get());
-}
-
-bool BrokerDispatcher::OnMessageReceived(const IPC::Message& msg) {
-  // Control messages.
-  if (msg.routing_id() == MSG_ROUTING_CONTROL) {
-    bool handled = true;
-    IPC_BEGIN_MESSAGE_MAP(BrokerDispatcher, msg)
-      IPC_MESSAGE_HANDLER(PpapiMsg_ConnectToPlugin, OnMsgConnectToPlugin)
-      IPC_MESSAGE_UNHANDLED(handled = false)
-    IPC_END_MESSAGE_MAP()
-    return handled;
-  }
-  return false;
-}
-
-// Transfers ownership of the handle to the broker module.
-void BrokerDispatcher::OnMsgConnectToPlugin(
-    PP_Instance instance,
-    IPC::PlatformFileForTransit handle,
-    int32_t* result) {
-  if (handle == IPC::InvalidPlatformFileForTransit()) {
-    *result = PP_ERROR_FAILED;
-  } else {
-    base::SyncSocket::Handle socket_handle =
-        IPC::PlatformFileForTransitToPlatformFile(handle);
-
-    if (connect_instance_) {
-      *result = connect_instance_(instance,
-                                  ppapi::PlatformFileToInt(socket_handle));
-    } else {
-      *result = PP_ERROR_FAILED;
-      // Close the handle since there is no other owner.
-      // The easiest way to clean it up is to just put it in an object
-      // and then close them. This failure case is not performance critical.
-      base::SyncSocket temp_socket(socket_handle);
-    }
-  }
-}
-
-BrokerHostDispatcher::BrokerHostDispatcher()
-    : BrokerDispatcher(NULL) {
-}
-
-void BrokerHostDispatcher::OnChannelError() {
-  DVLOG(1) << "BrokerHostDispatcher::OnChannelError()";
-  BrokerDispatcher::OnChannelError();  // Stop using the channel.
-
-  // Tell the host about the crash so it can clean up and display notification.
-  // TODO(ddorwin): Add BrokerCrashed() to PPB_Proxy_Private and call it.
-  // ppb_proxy_->BrokerCrashed(pp_module());
-}
-
-BrokerSideDispatcher::BrokerSideDispatcher(
-    PP_ConnectInstance_Func connect_instance)
-    : BrokerDispatcher(connect_instance) {
-}
-
-void BrokerSideDispatcher::OnChannelError() {
-  DVLOG(1) << "BrokerSideDispatcher::OnChannelError()";
-  BrokerDispatcher::OnChannelError();
-
-  // The renderer has crashed or exited. This channel and all instances
-  // associated with it are no longer valid.
-  // TODO(ddorwin): This causes the broker process to exit, which may not be
-  // desirable in some use cases.
-  delete this;
-}
-
-
-}  // namespace proxy
-}  // namespace ppapi

ppapi/proxy/broker_dispatcher.h

@@ -1,68 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef PPAPI_PROXY_BROKER_DISPATCHER_H_
-#define PPAPI_PROXY_BROKER_DISPATCHER_H_
-
-#include <stdint.h>
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "ppapi/c/trusted/ppp_broker.h"
-#include "ppapi/proxy/proxy_channel.h"
-
-namespace ppapi {
-namespace proxy {
-
-class PPAPI_PROXY_EXPORT BrokerDispatcher : public ProxyChannel {
- public:
-  ~BrokerDispatcher() override;
-
-  // You must call this function before anything else. Returns true on success.
-  // The delegate pointer must outlive this class, ownership is not
-  // transferred.
-  virtual bool InitBrokerWithChannel(ProxyChannel::Delegate* delegate,
-                                     base::ProcessId peer_pid,
-                                     const IPC::ChannelHandle& channel_handle,
-                                     bool is_client);
-
-  // IPC::Listener implementation.
-  bool OnMessageReceived(const IPC::Message& msg) override;
-
- protected:
-  // You must call InitBrokerWithChannel after the constructor.
-  explicit BrokerDispatcher(PP_ConnectInstance_Func connect_instance);
-
-  void OnMsgConnectToPlugin(PP_Instance instance,
-                            IPC::PlatformFileForTransit handle,
-                            int32_t* result);
-
-  PP_ConnectInstance_Func connect_instance_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(BrokerDispatcher);
-};
-
-// The dispatcher for the browser side of the broker channel.
-class PPAPI_PROXY_EXPORT BrokerHostDispatcher : public BrokerDispatcher {
- public:
-  BrokerHostDispatcher();
-
-  // IPC::Listener implementation.
-  void OnChannelError() override;
-};
-
-// The dispatcher for the broker side of the broker channel.
-class PPAPI_PROXY_EXPORT BrokerSideDispatcher : public BrokerDispatcher {
- public:
-  explicit BrokerSideDispatcher(PP_ConnectInstance_Func connect_instance);
-
-  // IPC::Listener implementation.
-  void OnChannelError() override;
-};
-
-}  // namespace proxy
-}  // namespace ppapi
-
-#endif  // PPAPI_PROXY_BROKER_DISPATCHER_H_

ppapi/proxy/broker_resource.cc

@@ -1,34 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ppapi/proxy/broker_resource.h"
-
-#include <stdint.h>
-
-#include "ppapi/c/pp_bool.h"
-#include "ppapi/proxy/ppapi_messages.h"
-
-namespace ppapi {
-namespace proxy {
-
-BrokerResource::BrokerResource(Connection connection, PP_Instance instance)
-    : PluginResource(connection, instance) {
-  SendCreate(BROWSER, PpapiHostMsg_Broker_Create());
-}
-
-BrokerResource::~BrokerResource() {
-}
-
-thunk::PPB_Broker_Instance_API* BrokerResource::AsPPB_Broker_Instance_API() {
-  return this;
-}
-
-PP_Bool BrokerResource::IsAllowed() {
-  int32_t result =
-      SyncCall<IPC::Message>(BROWSER, PpapiHostMsg_Broker_IsAllowed());
-  return PP_FromBool(result == PP_OK);
-}
-
-}  // namespace proxy
-}  // namespace ppapi

ppapi/proxy/broker_resource.h

@@ -1,36 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef PPAPI_PROXY_BROKER_RESOURCE_H_
-#define PPAPI_PROXY_BROKER_RESOURCE_H_
-
-#include "base/macros.h"
-#include "ppapi/proxy/connection.h"
-#include "ppapi/proxy/plugin_resource.h"
-#include "ppapi/thunk/ppb_broker_api.h"
-
-namespace ppapi {
-namespace proxy {
-
-class BrokerResource
-    : public PluginResource,
-      public thunk::PPB_Broker_Instance_API {
- public:
-  BrokerResource(Connection connection, PP_Instance instance);
-  ~BrokerResource() override;
-
-  // Resource override.
-  thunk::PPB_Broker_Instance_API* AsPPB_Broker_Instance_API() override;
-
-  // thunk::PPB_Broker_Instance_API implementation.
-  PP_Bool IsAllowed() override;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(BrokerResource);
-};
-
-}  // namespace proxy
-}  // namespace ppapi
-
-#endif  // PPAPI_PROXY_BROKER_RESOURCE_H_

ppapi/proxy/interface_list.cc

@@ -87,7 +87,6 @@
 #include "ppapi/c/private/ppb_udp_socket_private.h"
 #include "ppapi/c/private/ppb_uma_private.h"
 #include "ppapi/c/private/ppb_x509_certificate_private.h"
-#include "ppapi/c/trusted/ppb_broker_trusted.h"
 #include "ppapi/c/trusted/ppb_browser_font_trusted.h"
 #include "ppapi/c/trusted/ppb_char_set_trusted.h"
 #include "ppapi/c/trusted/ppb_file_chooser_trusted.h"
@@ -96,7 +95,6 @@
 #include "ppapi/proxy/plugin_globals.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/ppb_audio_proxy.h"
-#include "ppapi/proxy/ppb_broker_proxy.h"
 #include "ppapi/proxy/ppb_buffer_proxy.h"
 #include "ppapi/proxy/ppb_core_proxy.h"
 #include "ppapi/proxy/ppb_graphics_3d_proxy.h"

ppapi/proxy/plugin_globals.cc

@@ -138,10 +138,6 @@ PP_Module PluginGlobals::GetModuleForInstance(PP_Instance instance) {
   return 0;
 }
 
-std::string PluginGlobals::GetCmdLine() {
-  return command_line_;
-}
-
 void PluginGlobals::PreCacheFontForFlash(const void* logfontw) {
   ProxyAutoUnlock unlock;
   plugin_proxy_delegate_->PreCacheFontForFlash(logfontw);

ppapi/proxy/plugin_globals.h

@@ -70,7 +70,6 @@ class PPAPI_PROXY_EXPORT PluginGlobals : public PpapiGlobals {
   thunk::ResourceCreationAPI* GetResourceCreationAPI(
       PP_Instance instance) override;
   PP_Module GetModuleForInstance(PP_Instance instance) override;
-  std::string GetCmdLine() override;
   void PreCacheFontForFlash(const void* logfontw) override;
   void LogWithSource(PP_Instance instance,
                      PP_LogLevel level,
@@ -140,9 +139,6 @@ class PPAPI_PROXY_EXPORT PluginGlobals : public PpapiGlobals {
   // is known. This will be used for error logging.
   void set_plugin_name(const std::string& name) { plugin_name_ = name; }
 
-  // The embedder should call this function when the command line is known.
-  void set_command_line(const std::string& c) { command_line_ = c; }
-
   ResourceReplyThreadRegistrar* resource_reply_thread_registrar() {
     return resource_reply_thread_registrar_.get();
   }
@@ -177,10 +173,6 @@ class PPAPI_PROXY_EXPORT PluginGlobals : public PpapiGlobals {
   // set_plugin_name is called.
   std::string plugin_name_;
 
-  // Command line for the plugin. This will be empty until set_command_line is
-  // called.
-  std::string command_line_;
-
   std::unique_ptr<BrowserSender> browser_sender_;
 
   scoped_refptr<base::SingleThreadTaskRunner> ipc_task_runner_;

ppapi/proxy/ppapi_messages.h

@@ -640,11 +640,6 @@ IPC_MESSAGE_CONTROL1(PpapiHostMsg_LogInterfaceUsage,
 IPC_MESSAGE_CONTROL1(PpapiMsg_SetNetworkState,
                      bool /* online */)
 
-// Broker Process.
-IPC_SYNC_MESSAGE_CONTROL2_1(PpapiMsg_ConnectToPlugin,
-                            PP_Instance /* instance */,
-                            IPC::PlatformFileForTransit /* handle */,
-                            int32_t /* result */)
 #endif  // !defined(OS_NACL) && !defined(NACL_WIN64)
 
 // PPB_Audio.
@@ -869,13 +864,6 @@ IPC_MESSAGE_ROUTED2(PpapiMsg_PPPTextInput_RequestSurroundingText,
                    uint32_t /* desired_number_of_characters */)
 
 #if !defined(OS_NACL) && !defined(NACL_WIN64)
-// PPB_Broker.
-IPC_MESSAGE_ROUTED3(
-    PpapiMsg_PPBBroker_ConnectComplete,
-    ppapi::HostResource /* broker */,
-    IPC::PlatformFileForTransit /* handle */,
-    int32_t /* result */)
-
 // PPP_Instance_Private.
 IPC_SYNC_MESSAGE_ROUTED1_1(PpapiMsg_PPPInstancePrivate_GetInstanceObject,
                            PP_Instance /* instance */,
@@ -1207,13 +1195,6 @@ IPC_SYNC_MESSAGE_ROUTED3_1(PpapiHostMsg_PPBVar_CreateObjectDeprecated,
                            ppapi::proxy::SerializedVar /* result */)
 
 #if !defined(OS_NACL) && !defined(NACL_WIN64)
-// PPB_Broker.
-IPC_SYNC_MESSAGE_ROUTED1_1(PpapiHostMsg_PPBBroker_Create,
-                           PP_Instance /* instance */,
-                           ppapi::HostResource /* result_resource */)
-IPC_MESSAGE_ROUTED1(PpapiHostMsg_PPBBroker_Connect,
-                    ppapi::HostResource /* broker */)
-
 // PPB_Buffer.
 IPC_SYNC_MESSAGE_ROUTED2_2(
     PpapiHostMsg_PPBBuffer_Create,
@@ -1399,14 +1380,6 @@ IPC_MESSAGE_ROUTED2(
 //-----------------------------------------------------------------------------
 // Messages for resources using call/reply above.
 
-// Broker ----------------------------------------------------------------------
-IPC_MESSAGE_CONTROL0(PpapiHostMsg_Broker_Create)
-
-// Queries whether the plugin has permission to connect to the Pepper broker.
-// The response is contained in the error value of the
-// ResourceMessageReplyParams in the reply message.
-IPC_MESSAGE_CONTROL0(PpapiHostMsg_Broker_IsAllowed)
-
 // UMA
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_UMA_Create)
 IPC_MESSAGE_CONTROL5(PpapiHostMsg_UMA_HistogramCustomTimes,

ppapi/proxy/ppb_broker_proxy.cc

@@ -1,236 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ppapi/proxy/ppb_broker_proxy.h"
-
-#include "base/bind.h"
-#include "base/macros.h"
-#include "ppapi/c/pp_errors.h"
-#include "ppapi/c/trusted/ppb_broker_trusted.h"
-#include "ppapi/proxy/enter_proxy.h"
-#include "ppapi/proxy/plugin_dispatcher.h"
-#include "ppapi/proxy/ppapi_messages.h"
-#include "ppapi/shared_impl/platform_file.h"
-#include "ppapi/shared_impl/tracked_callback.h"
-#include "ppapi/thunk/enter.h"
-#include "ppapi/thunk/ppb_broker_api.h"
-#include "ppapi/thunk/resource_creation_api.h"
-#include "ppapi/thunk/thunk.h"
-
-using ppapi::IntToPlatformFile;
-using ppapi::PlatformFileToInt;
-using ppapi::thunk::PPB_Broker_API;
-
-namespace ppapi {
-namespace proxy {
-
-class Broker : public PPB_Broker_API, public Resource {
- public:
-  explicit Broker(const HostResource& resource);
-  ~Broker() override;
-
-  // Resource overrides.
-  PPB_Broker_API* AsPPB_Broker_API() override;
-
-  // PPB_Broker_API implementation.
-  int32_t Connect(scoped_refptr<TrackedCallback> connect_callback) override;
-  int32_t GetHandle(int32_t* handle) override;
-
-  // Called by the proxy when the host side has completed the request.
-  void ConnectComplete(IPC::PlatformFileForTransit socket_handle,
-                       int32_t result);
-
- private:
-  bool called_connect_;
-  scoped_refptr<TrackedCallback> current_connect_callback_;
-
-  // The plugin module owns the handle.
-  // The host side transfers ownership of the handle to the plugin side when it
-  // sends the IPC. This member holds the handle value for the plugin module
-  // to read, but the plugin side of the proxy never takes ownership.
-  base::SyncSocket::Handle socket_handle_;
-
-  DISALLOW_COPY_AND_ASSIGN(Broker);
-};
-
-Broker::Broker(const HostResource& resource)
-    : Resource(OBJECT_IS_PROXY, resource),
-      called_connect_(false),
-      socket_handle_(base::SyncSocket::kInvalidHandle) {
-}
-
-Broker::~Broker() {
-  socket_handle_ = base::SyncSocket::kInvalidHandle;
-}
-
-PPB_Broker_API* Broker::AsPPB_Broker_API() {
-  return this;
-}
-
-int32_t Broker::Connect(scoped_refptr<TrackedCallback> connect_callback) {
-  if (TrackedCallback::IsPending(current_connect_callback_))
-    return PP_ERROR_INPROGRESS;
-  else if (called_connect_)
-    return PP_ERROR_FAILED;
-
-  current_connect_callback_ = connect_callback;
-  called_connect_ = true;
-
-  bool success = PluginDispatcher::GetForResource(this)->Send(
-      new PpapiHostMsg_PPBBroker_Connect(
-          API_ID_PPB_BROKER, host_resource()));
-  return success ?  PP_OK_COMPLETIONPENDING : PP_ERROR_FAILED;
-}
-
-int32_t Broker::GetHandle(int32_t* handle) {
-  if (socket_handle_ == base::SyncSocket::kInvalidHandle)
-    return PP_ERROR_FAILED;
-  *handle = PlatformFileToInt(socket_handle_);
-  return PP_OK;
-}
-
-void Broker::ConnectComplete(IPC::PlatformFileForTransit socket_handle,
-                             int32_t result) {
-  if (result == PP_OK) {
-    DCHECK(socket_handle_ == base::SyncSocket::kInvalidHandle);
-    socket_handle_ = IPC::PlatformFileForTransitToPlatformFile(socket_handle);
-  } else {
-    // The caller may still have given us a handle in the failure case.
-    // The easiest way to clean it up is to just put it in an object
-    // and then close them. This failure case is not performance critical.
-    base::SyncSocket temp_socket(
-        IPC::PlatformFileForTransitToPlatformFile(socket_handle));
-  }
-
-  if (!TrackedCallback::IsPending(current_connect_callback_)) {
-    // The handle might leak if the plugin never calls GetHandle().
-    return;
-  }
-
-  current_connect_callback_->Run(result);
-}
-
-PPB_Broker_Proxy::PPB_Broker_Proxy(Dispatcher* dispatcher)
-    : InterfaceProxy(dispatcher),
-      callback_factory_(this){
-}
-
-PPB_Broker_Proxy::~PPB_Broker_Proxy() {
-}
-
-// static
-PP_Resource PPB_Broker_Proxy::CreateProxyResource(PP_Instance instance) {
-  PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
-  if (!dispatcher)
-    return 0;
-
-  HostResource result;
-  dispatcher->Send(new PpapiHostMsg_PPBBroker_Create(
-      API_ID_PPB_BROKER, instance, &result));
-  if (result.is_null())
-    return 0;
-  return (new Broker(result))->GetReference();
-}
-
-bool PPB_Broker_Proxy::OnMessageReceived(const IPC::Message& msg) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(PPB_Broker_Proxy, msg)
-    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBBroker_Create, OnMsgCreate)
-    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBBroker_Connect, OnMsgConnect)
-    IPC_MESSAGE_HANDLER(PpapiMsg_PPBBroker_ConnectComplete,
-                        OnMsgConnectComplete)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void PPB_Broker_Proxy::OnMsgCreate(PP_Instance instance,
-                                   HostResource* result_resource) {
-  if (!dispatcher()->permissions().HasPermission(PERMISSION_PRIVATE))
-    return;
-  thunk::EnterResourceCreation enter(instance);
-  if (enter.succeeded()) {
-    result_resource->SetHostResource(
-        instance,
-        enter.functions()->CreateBroker(instance));
-  }
-}
-
-void PPB_Broker_Proxy::OnMsgConnect(const HostResource& broker) {
-  if (!dispatcher()->permissions().HasPermission(PERMISSION_PRIVATE))
-    return;
-  EnterHostFromHostResourceForceCallback<PPB_Broker_API> enter(
-      broker, callback_factory_,
-      &PPB_Broker_Proxy::ConnectCompleteInHost, broker);
-  if (enter.succeeded())
-    enter.SetResult(enter.object()->Connect(enter.callback()));
-}
-
-// Called in the plugin to handle the connect callback.
-// The proxy owns the handle and transfers it to the Broker. At that point,
-// the plugin owns the handle and is responsible for closing it.
-// The caller guarantees that socket_handle is not valid if result is not PP_OK.
-void PPB_Broker_Proxy::OnMsgConnectComplete(
-    const HostResource& resource,
-    IPC::PlatformFileForTransit socket_handle,
-    int32_t result) {
-  DCHECK(result == PP_OK ||
-         socket_handle == IPC::InvalidPlatformFileForTransit());
-
-  EnterPluginFromHostResource<PPB_Broker_API> enter(resource);
-  if (enter.failed()) {
-    // As in Broker::ConnectComplete, we need to close the resource on error.
-    base::SyncSocket temp_socket(
-        IPC::PlatformFileForTransitToPlatformFile(socket_handle));
-  } else {
-    static_cast<Broker*>(enter.object())->ConnectComplete(socket_handle,
-                                                          result);
-  }
-}
-
-// Callback on the host side.
-// Transfers ownership of the handle to the plugin side. This function must
-// either successfully call the callback or close the handle.
-void PPB_Broker_Proxy::ConnectCompleteInHost(int32_t result,
-                                             const HostResource& broker) {
-  IPC::PlatformFileForTransit foreign_socket_handle =
-      IPC::InvalidPlatformFileForTransit();
-  if (result == PP_OK) {
-    int32_t socket_handle = PlatformFileToInt(base::SyncSocket::kInvalidHandle);
-    EnterHostFromHostResource<PPB_Broker_API> enter(broker);
-    if (enter.succeeded())
-      result = enter.object()->GetHandle(&socket_handle);
-    DCHECK(result == PP_OK ||
-           socket_handle ==
-               PlatformFileToInt(base::SyncSocket::kInvalidHandle));
-
-    if (result == PP_OK) {
-      foreign_socket_handle =
-          dispatcher()->ShareHandleWithRemote(IntToPlatformFile(socket_handle),
-                                              true);
-      if (foreign_socket_handle == IPC::InvalidPlatformFileForTransit()) {
-        result = PP_ERROR_FAILED;
-        // Assume the local handle was closed even if the foreign handle could
-        // not be created.
-      }
-    }
-  }
-  DCHECK(result == PP_OK ||
-         foreign_socket_handle == IPC::InvalidPlatformFileForTransit());
-
-  bool success = dispatcher()->Send(new PpapiMsg_PPBBroker_ConnectComplete(
-      API_ID_PPB_BROKER, broker, foreign_socket_handle, result));
-
-  if (!success || result != PP_OK) {
-      // The plugin did not receive the handle, so it must be closed.
-      // The easiest way to clean it up is to just put it in an object
-      // and then close it. This failure case is not performance critical.
-      // The handle could still leak if Send succeeded but the IPC later failed.
-      base::SyncSocket temp_socket(
-          IPC::PlatformFileForTransitToPlatformFile(foreign_socket_handle));
-  }
-}
-
-}  // namespace proxy
-}  // namespace ppapi

ppapi/proxy/ppb_broker_proxy.h

@@ -1,52 +0,0 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef PPAPI_PROXY_PPB_BROKER_PROXY_H_
-#define PPAPI_PROXY_PPB_BROKER_PROXY_H_
-
-#include <stdint.h>
-
-#include "base/sync_socket.h"
-#include "ipc/ipc_platform_file.h"
-#include "ppapi/c/pp_instance.h"
-#include "ppapi/proxy/interface_proxy.h"
-#include "ppapi/proxy/proxy_completion_callback_factory.h"
-#include "ppapi/utility/completion_callback_factory.h"
-
-namespace ppapi {
-
-class HostResource;
-
-namespace proxy {
-
-class PPB_Broker_Proxy : public InterfaceProxy {
- public:
-  explicit PPB_Broker_Proxy(Dispatcher* dispatcher);
-  ~PPB_Broker_Proxy() override;
-
-  static PP_Resource CreateProxyResource(PP_Instance instance);
-
-  // InterfaceProxy implementation.
-  bool OnMessageReceived(const IPC::Message& msg) override;
-
-  static const ApiID kApiID = API_ID_PPB_BROKER;
-
- private:
-  // Message handlers.
-  void OnMsgCreate(PP_Instance instance, ppapi::HostResource* result_resource);
-  void OnMsgConnect(const ppapi::HostResource& broker);
-  void OnMsgConnectComplete(const ppapi::HostResource& broker,
-                            IPC::PlatformFileForTransit foreign_socket_handle,
-                            int32_t result);
-
-  void ConnectCompleteInHost(int32_t result,
-                             const ppapi::HostResource& host_resource);
-
-  ProxyCompletionCallbackFactory<PPB_Broker_Proxy> callback_factory_;
-};
-
-}  // namespace proxy
-}  // namespace ppapi
-
-#endif  // PPAPI_PROXY_PPB_BROKER_PROXY_H_

ppapi/proxy/ppb_instance_proxy.cc

@@ -18,7 +18,6 @@
 #include "ppapi/c/ppb_instance.h"
 #include "ppapi/c/ppb_messaging.h"
 #include "ppapi/c/ppb_mouse_lock.h"
-#include "ppapi/proxy/broker_resource.h"
 #include "ppapi/proxy/browser_font_singleton_resource.h"
 #include "ppapi/proxy/enter_proxy.h"
 #include "ppapi/proxy/flash_fullscreen_resource.h"
@@ -345,9 +344,6 @@ Resource* PPB_Instance_Proxy::GetSingletonResource(PP_Instance instance,
                         static_cast<PluginDispatcher*>(dispatcher())->sender());
 
   switch (id) {
-    case BROKER_SINGLETON_ID:
-      new_singleton = new BrokerResource(connection, instance);
-      break;
     case GAMEPAD_SINGLETON_ID:
       new_singleton = new GamepadResource(connection, instance);
       break;

ppapi/proxy/resource_creation_proxy.cc

@@ -27,7 +27,6 @@
 #include "ppapi/proxy/plugin_resource_tracker.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/ppb_audio_proxy.h"
-#include "ppapi/proxy/ppb_broker_proxy.h"
 #include "ppapi/proxy/ppb_buffer_proxy.h"
 #include "ppapi/proxy/ppb_graphics_3d_proxy.h"
 #include "ppapi/proxy/ppb_image_data_proxy.h"
@@ -391,10 +390,6 @@ PP_Resource ResourceCreationProxy::CreateAudioOutput(PP_Instance instance) {
   return (new AudioOutputResource(GetConnection(), instance))->GetReference();
 }
 
-PP_Resource ResourceCreationProxy::CreateBroker(PP_Instance instance) {
-  return PPB_Broker_Proxy::CreateProxyResource(instance);
-}
-
 PP_Resource ResourceCreationProxy::CreateBrowserFont(
     PP_Instance instance,
     const PP_BrowserFont_Trusted_Description* description) {

ppapi/proxy/resource_creation_proxy.h

@@ -156,7 +156,6 @@ class ResourceCreationProxy : public InterfaceProxy,
 #if !defined(OS_NACL)
   PP_Resource CreateAudioInput(PP_Instance instance) override;
   PP_Resource CreateAudioOutput(PP_Instance instance) override;
-  PP_Resource CreateBroker(PP_Instance instance) override;
   PP_Resource CreateBrowserFont(
       PP_Instance instance,
       const PP_BrowserFont_Trusted_Description* description) override;

ppapi/shared_impl/api_id.h

@@ -13,7 +13,6 @@ enum ApiID {
   // Zero is reserved for control messages.
   API_ID_NONE = 0,
   API_ID_PPB_AUDIO = 1,
-  API_ID_PPB_BROKER,
   API_ID_PPB_BUFFER,
   API_ID_PPB_CORE,
   API_ID_PPB_FLASH_MESSAGELOOP,

ppapi/shared_impl/ppapi_globals.h

@@ -117,9 +117,6 @@ class PPAPI_SHARED_EXPORT PpapiGlobals {
   // in-process plugins.
   virtual base::TaskRunner* GetFileTaskRunner() = 0;
 
-  // Returns the command line for the process.
-  virtual std::string GetCmdLine() = 0;
-
   // Preloads the font on Windows, does nothing on other platforms.
   // TODO(brettw) remove this by passing the instance into the API so we don't
   // have to have it on the globals.

ppapi/shared_impl/resource.h

@@ -25,8 +25,6 @@
   F(PPB_AudioInput_API)                 \
   F(PPB_AudioOutput_API)                \
   F(PPB_AudioTrusted_API)               \
-  F(PPB_Broker_API)                     \
-  F(PPB_Broker_Instance_API)            \
   F(PPB_BrowserFont_Singleton_API)      \
   F(PPB_BrowserFont_Trusted_API)        \
   F(PPB_Buffer_API)                     \

ppapi/shared_impl/singleton_resource_id.h

@@ -10,10 +10,6 @@ namespace ppapi {
 // These IDs are used to access singleton resource objects using
 // PPB_Instance_API.GetSingletonResource.
 enum SingletonResourceID {
-  // TODO(raymes): The broker resource isn't really a singleton. This is only
-  // a hack until PPB_Broker trusted has been fully refactored to the new
-  // resource model.
-  BROKER_SINGLETON_ID,
   BROWSER_FONT_SINGLETON_ID,
   FLASH_FULLSCREEN_SINGLETON_ID,
   GAMEPAD_SINGLETON_ID,

ppapi/shared_impl/test_globals.cc

@@ -40,8 +40,6 @@ thunk::ResourceCreationAPI* TestGlobals::GetResourceCreationAPI(
 
 PP_Module TestGlobals::GetModuleForInstance(PP_Instance instance) { return 0; }
 
-std::string TestGlobals::GetCmdLine() { return std::string(); }
-
 void TestGlobals::PreCacheFontForFlash(const void* /* logfontw */) {}
 
 void TestGlobals::LogWithSource(PP_Instance instance,

ppapi/shared_impl/test_globals.h

@@ -69,7 +69,6 @@ class TestGlobals : public PpapiGlobals {
   thunk::ResourceCreationAPI* GetResourceCreationAPI(
       PP_Instance instance) override;
   PP_Module GetModuleForInstance(PP_Instance instance) override;
-  std::string GetCmdLine() override;
   void PreCacheFontForFlash(const void* logfontw) override;
   void LogWithSource(PP_Instance instance,
                      PP_LogLevel level,

ppapi/tests/test_broker.cc

@@ -1,355 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ppapi/tests/test_broker.h"
-
-#if defined(_MSC_VER)
-#define OS_WIN 1
-#include <windows.h>
-#else
-#define OS_POSIX 1
-#include <errno.h>
-#include <unistd.h>
-#endif
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <cstdio>
-#include <cstring>
-#include <fstream>
-#include <limits>
-
-#include "ppapi/c/pp_errors.h"
-#include "ppapi/c/trusted/ppb_broker_trusted.h"
-#include "ppapi/c/trusted/ppp_broker.h"
-#include "ppapi/tests/test_utils.h"
-#include "ppapi/tests/testing_instance.h"
-
-REGISTER_TEST_CASE(Broker);
-
-namespace {
-
-const char kHelloMessage[] = "Hello Plugin! This is Broker!";
-// Message sent from broker to plugin if the broker is unsandboxed.
-const char kBrokerUnsandboxed[] = "Broker is Unsandboxed!";
-// Message sent from broker to plugin if the broker is sandboxed. This message
-// needs to be longer than |kBrokerUnsandboxed| because the plugin is expecting
-// |kBrokerUnsandboxed|. If it's shorter and the broker doesn't close its handle
-// properly the plugin will hang waiting for all data of |kBrokerUnsandboxed| to
-// be read.
-const char kBrokerSandboxed[] = "Broker is Sandboxed! Verification failed!";
-
-#if defined(OS_WIN)
-typedef HANDLE PlatformFile;
-const PlatformFile kInvalidPlatformFileValue = INVALID_HANDLE_VALUE;
-const int32_t kInvalidHandle = static_cast<int32_t>(
-    reinterpret_cast<intptr_t>(INVALID_HANDLE_VALUE));
-#elif defined(OS_POSIX)
-typedef int PlatformFile;
-const PlatformFile kInvalidPlatformFileValue = -1;
-const int32_t kInvalidHandle = -1;
-#endif
-
-PlatformFile IntToPlatformFile(int32_t handle) {
-#if defined(OS_WIN)
-  return reinterpret_cast<HANDLE>(static_cast<intptr_t>(handle));
-#elif defined(OS_POSIX)
-  return handle;
-#endif
-}
-
-#if defined(OS_POSIX)
-
-#define HANDLE_EINTR(x) ({ \
-  decltype(x) eintr_wrapper_result; \
-  do { \
-    eintr_wrapper_result = (x); \
-  } while (eintr_wrapper_result == -1 && errno == EINTR); \
-  eintr_wrapper_result; \
-})
-
-#define IGNORE_EINTR(x) ({ \
-  decltype(x) eintr_wrapper_result; \
-  do { \
-    eintr_wrapper_result = (x); \
-    if (eintr_wrapper_result == -1 && errno == EINTR) { \
-      eintr_wrapper_result = 0; \
-    } \
-  } while (0); \
-  eintr_wrapper_result; \
-})
-
-#endif
-
-bool ReadMessage(PlatformFile file, size_t message_len, char* message) {
-#if defined(OS_WIN)
-  assert(message_len < std::numeric_limits<DWORD>::max());
-  DWORD read = 0;
-  const DWORD size = static_cast<DWORD>(message_len);
-  return ::ReadFile(file, message, size, &read, NULL) && read == size;
-#elif defined(OS_POSIX)
-  assert(message_len <
-         static_cast<size_t>(std::numeric_limits<ssize_t>::max()));
-  size_t total_read = 0;
-  while (total_read < message_len) {
-    ssize_t read = HANDLE_EINTR(::read(file, message + total_read,
-                                       message_len - total_read));
-    if (read <= 0)
-      break;
-    total_read += read;
-  }
-  return total_read == message_len;
-#endif
-}
-
-bool WriteMessage(PlatformFile file, size_t message_len, const char* message) {
-#if defined(OS_WIN)
-  assert(message_len < std::numeric_limits<DWORD>::max());
-  DWORD written = 0;
-  const DWORD size = static_cast<DWORD>(message_len);
-  return ::WriteFile(file, message, size, &written, NULL) && written == size;
-#elif defined(OS_POSIX)
-  assert(message_len <
-         static_cast<size_t>(std::numeric_limits<ssize_t>::max()));
-  size_t total_written = 0;
-  while (total_written < message_len) {
-    ssize_t written = HANDLE_EINTR(::write(file, message + total_written,
-                                           message_len - total_written));
-    if (written <= 0)
-      break;
-    total_written += written;
-  }
-  return total_written == message_len;
-#endif
-}
-
-bool VerifyMessage(PlatformFile file, size_t message_len, const char* message) {
-  char* message_received = new char[message_len];
-  bool success = ReadMessage(file, message_len, message_received) &&
-                 !::strcmp(message_received, message);
-  delete [] message_received;
-  return success;
-}
-
-bool ClosePlatformFile(PlatformFile file) {
-#if defined(OS_WIN)
-  return !!::CloseHandle(file);
-#elif defined(OS_POSIX)
-  return !IGNORE_EINTR(::close(file));
-#endif
-}
-
-bool VerifyIsUnsandboxed() {
-#if defined(OS_WIN)
-  FILE* file = NULL;
-  wchar_t temp_path[MAX_PATH] = {'\0'};
-  wchar_t file_name[MAX_PATH] = {'\0'};
-  if (!::GetTempPath(MAX_PATH, temp_path) ||
-      !::GetTempFileName(temp_path, L"test_pepper_broker", 0, file_name) ||
-      ::_wfopen_s(&file, file_name, L"w"))
-    return false;
-
-  if (::fclose(file)) {
-    ::DeleteFile(file_name);
-    return false;
-  }
-
-  return !!::DeleteFile(file_name);
-#elif defined(OS_POSIX)
-  char file_name[] = "/tmp/test_pepper_broker_XXXXXX";
-  int fd = ::mkstemp(file_name);
-  if (-1 == fd)
-    return false;
-
-  if (IGNORE_EINTR(::close(fd))) {
-    ::remove(file_name);
-    return false;
-  }
-
-  return !::remove(file_name);
-#endif
-}
-
-// Callback in the broker when a new broker connection occurs.
-int32_t OnInstanceConnected(PP_Instance instance, int32_t handle) {
-  PlatformFile file = IntToPlatformFile(handle);
-  if (file == kInvalidPlatformFileValue)
-    return PP_ERROR_FAILED;
-
-  // Send hello message.
-  if (!WriteMessage(file, sizeof(kHelloMessage), kHelloMessage)) {
-    ClosePlatformFile(file);
-    return PP_ERROR_FAILED;
-  }
-
-  // Verify broker is not sandboxed and send result to plugin over the pipe.
-  if (VerifyIsUnsandboxed()) {
-    if (!WriteMessage(file, sizeof(kBrokerUnsandboxed), kBrokerUnsandboxed)) {
-      ClosePlatformFile(file);
-      return PP_ERROR_FAILED;
-    }
-  } else {
-    if (!WriteMessage(file, sizeof(kBrokerSandboxed), kBrokerSandboxed)) {
-      ClosePlatformFile(file);
-      return PP_ERROR_FAILED;
-    }
-  }
-
-  if (!ClosePlatformFile(file))
-    return PP_ERROR_FAILED;
-
-  return PP_OK;
-}
-
-}  // namespace
-
-PP_EXPORT int32_t PPP_InitializeBroker(
-    PP_ConnectInstance_Func* connect_instance_func) {
-  *connect_instance_func = &OnInstanceConnected;
-  return PP_OK;
-}
-
-PP_EXPORT void PPP_ShutdownBroker() {}
-
-TestBroker::TestBroker(TestingInstance* instance)
-    : TestCase(instance),
-      broker_interface_(NULL) {
-}
-
-bool TestBroker::Init() {
-  broker_interface_ = static_cast<const PPB_BrokerTrusted*>(
-      pp::Module::Get()->GetBrowserInterface(PPB_BROKER_TRUSTED_INTERFACE));
-  return !!broker_interface_;
-}
-
-void TestBroker::RunTests(const std::string& filter) {
-  RUN_TEST(Create, filter);
-  RUN_TEST(Create, filter);
-  RUN_TEST(GetHandleFailure, filter);
-  RUN_TEST_FORCEASYNC_AND_NOT(ConnectFailure, filter);
-  RUN_TEST_FORCEASYNC_AND_NOT(ConnectAndPipe, filter);
-
-  // The following tests require special setup, so only run them if they're
-  // explicitly specified by the filter.
-  if (!ShouldRunAllTests(filter)) {
-    RUN_TEST(ConnectPermissionDenied, filter);
-    RUN_TEST(ConnectPermissionGranted, filter);
-    RUN_TEST(IsAllowedPermissionDenied, filter);
-    RUN_TEST(IsAllowedPermissionGranted, filter);
-  }
-}
-
-std::string TestBroker::TestCreate() {
-  // Very simplistic test to make sure we can create a broker interface.
-  // TODO(raymes): All of the resources created in this file are leaked. Write
-  // a C++ wrapper for PPB_Broker_Trusted to avoid these leaks.
-  PP_Resource broker = broker_interface_->CreateTrusted(
-      instance_->pp_instance());
-  ASSERT_TRUE(broker);
-
-  ASSERT_FALSE(broker_interface_->IsBrokerTrusted(0));
-  ASSERT_TRUE(broker_interface_->IsBrokerTrusted(broker));
-
-  PASS();
-}
-
-// Test connection on invalid resource.
-std::string TestBroker::TestConnectFailure() {
-  TestCompletionCallback callback(instance_->pp_instance(), callback_type());
-  callback.WaitForResult(broker_interface_->Connect(0,
-      callback.GetCallback().pp_completion_callback()));
-  CHECK_CALLBACK_BEHAVIOR(callback);
-  ASSERT_EQ(PP_ERROR_BADRESOURCE, callback.result());
-
-  PASS();
-}
-
-std::string TestBroker::TestGetHandleFailure() {
-  int32_t handle = kInvalidHandle;
-
-  // Test getting the handle for an invalid resource.
-  ASSERT_EQ(PP_ERROR_BADRESOURCE, broker_interface_->GetHandle(0, &handle));
-
-  // Connect hasn't been called so this should fail.
-  PP_Resource broker = broker_interface_->CreateTrusted(
-      instance_->pp_instance());
-  ASSERT_TRUE(broker);
-  ASSERT_EQ(PP_ERROR_FAILED, broker_interface_->GetHandle(broker, &handle));
-
-  PASS();
-}
-
-std::string TestBroker::TestConnectAndPipe() {
-  PP_Resource broker = broker_interface_->CreateTrusted(
-      instance_->pp_instance());
-  ASSERT_TRUE(broker);
-
-  TestCompletionCallback callback(instance_->pp_instance(), callback_type());
-  callback.WaitForResult(broker_interface_->Connect(broker,
-      callback.GetCallback().pp_completion_callback()));
-  CHECK_CALLBACK_BEHAVIOR(callback);
-  ASSERT_EQ(PP_OK, callback.result());
-
-  int32_t handle = kInvalidHandle;
-  ASSERT_EQ(PP_OK, broker_interface_->GetHandle(broker, &handle));
-  ASSERT_NE(kInvalidHandle, handle);
-
-  PlatformFile file = IntToPlatformFile(handle);
-  ASSERT_TRUE(VerifyMessage(file, sizeof(kHelloMessage), kHelloMessage));
-  ASSERT_TRUE(VerifyMessage(file, sizeof(kBrokerUnsandboxed),
-                            kBrokerUnsandboxed));
-
-  ASSERT_TRUE(ClosePlatformFile(file));
-
-  PASS();
-}
-
-std::string TestBroker::TestConnectPermissionDenied() {
-  // This assumes that the browser side is set up to deny access to the broker.
-  PP_Resource broker = broker_interface_->CreateTrusted(
-      instance_->pp_instance());
-  ASSERT_TRUE(broker);
-
-  TestCompletionCallback callback(instance_->pp_instance(), callback_type());
-  callback.WaitForResult(broker_interface_->Connect(broker,
-      callback.GetCallback().pp_completion_callback()));
-  CHECK_CALLBACK_BEHAVIOR(callback);
-  ASSERT_EQ(PP_ERROR_NOACCESS, callback.result());
-
-  PASS();
-}
-
-std::string TestBroker::TestConnectPermissionGranted() {
-  // This assumes that the browser side is set up to allow access to the broker.
-  PP_Resource broker = broker_interface_->CreateTrusted(
-      instance_->pp_instance());
-  ASSERT_TRUE(broker);
-
-  TestCompletionCallback callback(instance_->pp_instance(), callback_type());
-  callback.WaitForResult(broker_interface_->Connect(broker,
-      callback.GetCallback().pp_completion_callback()));
-  CHECK_CALLBACK_BEHAVIOR(callback);
-  ASSERT_EQ(PP_OK, callback.result());
-
-  PASS();
-}
-
-std::string TestBroker::TestIsAllowedPermissionDenied() {
-  PP_Resource broker = broker_interface_->CreateTrusted(
-      instance_->pp_instance());
-  ASSERT_TRUE(broker);
-  ASSERT_EQ(PP_FALSE, broker_interface_->IsAllowed(broker));
-
-  PASS();
-}
-
-std::string TestBroker::TestIsAllowedPermissionGranted() {
-  PP_Resource broker = broker_interface_->CreateTrusted(
-      instance_->pp_instance());
-  ASSERT_TRUE(broker);
-  ASSERT_EQ(PP_TRUE, broker_interface_->IsAllowed(broker));
-
-  PASS();
-}

ppapi/tests/test_broker.h

@@ -1,35 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef PPAPI_TESTS_TEST_BROKER_H_
-#define PPAPI_TESTS_TEST_BROKER_H_
-
-#include <string>
-#include <vector>
-
-#include "ppapi/c/trusted/ppb_broker_trusted.h"
-#include "ppapi/tests/test_case.h"
-
-class TestBroker : public TestCase {
- public:
-  TestBroker(TestingInstance* instance);
-
-  // TestCase implementation.
-  virtual bool Init();
-  virtual void RunTests(const std::string& filter);
-
- private:
-  std::string TestCreate();
-  std::string TestConnectFailure();
-  std::string TestGetHandleFailure();
-  std::string TestConnectAndPipe();
-  std::string TestConnectPermissionDenied();
-  std::string TestConnectPermissionGranted();
-  std::string TestIsAllowedPermissionDenied();
-  std::string TestIsAllowedPermissionGranted();
-
-  const PPB_BrokerTrusted* broker_interface_;
-};
-
-#endif  // PPAPI_TESTS_TEST_BROKER_H_

ppapi/thunk/BUILD.gn

@@ -31,7 +31,6 @@ source_set("thunk") {
     "ppb_audio_input_api.h",
     "ppb_audio_output_api.h",
     "ppb_audio_thunk.cc",
-    "ppb_broker_api.h",
     "ppb_browser_font_singleton_api.h",
     "ppb_browser_font_trusted_api.h",
     "ppb_buffer_api.h",
@@ -143,7 +142,6 @@ source_set("thunk") {
     sources += [
       "ppb_audio_input_dev_thunk.cc",
       "ppb_audio_output_dev_thunk.cc",
-      "ppb_broker_thunk.cc",
       "ppb_browser_font_trusted_thunk.cc",
       "ppb_buffer_thunk.cc",
       "ppb_char_set_thunk.cc",

ppapi/thunk/interfaces_ppb_private.h

@@ -17,12 +17,6 @@ PROXIED_IFACE(PPB_X509CERTIFICATE_PRIVATE_INTERFACE_0_1,
               PPB_X509Certificate_Private_0_1)
 
 #if !defined(OS_NACL)
-PROXIED_API(PPB_Broker)
-
-PROXIED_IFACE(PPB_BROKER_TRUSTED_INTERFACE_0_2,
-              PPB_BrokerTrusted_0_2)
-PROXIED_IFACE(PPB_BROKER_TRUSTED_INTERFACE_0_3,
-              PPB_BrokerTrusted_0_3)
 PROXIED_IFACE(PPB_BROWSERFONT_TRUSTED_INTERFACE_1_0,
               PPB_BrowserFont_Trusted_1_0)
 PROXIED_IFACE(PPB_CHARSET_TRUSTED_INTERFACE_1_0,

ppapi/thunk/ppb_broker_api.h

@@ -1,44 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef PPAPI_THUNK_PPB_BROKER_API_H_
-#define PPAPI_THUNK_PPB_BROKER_API_H_
-
-#include "base/memory/ref_counted.h"
-#include "ppapi/c/pp_bool.h"
-#include "ppapi/c/pp_completion_callback.h"
-#include "ppapi/c/pp_stdint.h"
-#include "ppapi/shared_impl/singleton_resource_id.h"
-
-namespace ppapi {
-
-class TrackedCallback;
-
-namespace thunk {
-
-class PPB_Broker_API {
- public:
-  virtual ~PPB_Broker_API() {}
-
-  virtual int32_t Connect(scoped_refptr<TrackedCallback> connect_callback) = 0;
-  virtual int32_t GetHandle(int32_t* handle) = 0;
-};
-
-// TODO(raymes): Merge this into PPB_Broker_API when the PPB_Broker proxy is
-// refactored to the new resource model. The IsAllowed function should be
-// attached to the resource implementing the PPB_Broker_API. However in order to
-// implement this quickly, the function is added in a new instance API.
-class PPB_Broker_Instance_API {
- public:
-  virtual ~PPB_Broker_Instance_API() {}
-
-  virtual PP_Bool IsAllowed() = 0;
-
-  static const SingletonResourceID kSingletonResourceID = BROKER_SINGLETON_ID;
-};
-
-}  // namespace thunk
-}  // namespace ppapi
-
-#endif  // PPAPI_THUNK_PPB_BROKER_API_H_

ppapi/thunk/ppb_broker_thunk.cc

@@ -1,88 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <stdint.h>
-
-#include "ppapi/c/pp_errors.h"
-#include "ppapi/c/trusted/ppb_broker_trusted.h"
-#include "ppapi/shared_impl/tracked_callback.h"
-#include "ppapi/thunk/enter.h"
-#include "ppapi/thunk/ppb_broker_api.h"
-#include "ppapi/thunk/resource_creation_api.h"
-#include "ppapi/thunk/thunk.h"
-
-namespace ppapi {
-namespace thunk {
-
-namespace {
-
-PP_Resource CreateTrusted(PP_Instance instance) {
-  EnterResourceCreation enter(instance);
-  if (enter.failed())
-    return 0;
-  return enter.functions()->CreateBroker(instance);
-}
-
-PP_Bool IsBrokerTrusted(PP_Resource resource) {
-  EnterResource<PPB_Broker_API> enter(resource, false);
-  return PP_FromBool(enter.succeeded());
-}
-
-int32_t Connect(PP_Resource resource,
-                PP_CompletionCallback callback) {
-  EnterResource<PPB_Broker_API> enter(resource, callback, true);
-  if (enter.failed())
-    return enter.retval();
-  return enter.SetResult(enter.object()->Connect(enter.callback()));
-}
-
-int32_t GetHandle(PP_Resource resource, int32_t* handle) {
-  EnterResource<PPB_Broker_API> enter(resource, true);
-  if (enter.failed())
-    return enter.retval();
-  return enter.object()->GetHandle(handle);
-}
-
-PP_Bool IsAllowed(PP_Resource resource) {
-  // TODO(raymes): This is a hack. See the note in ppb_broker_api.h.
-  PP_Instance instance = 0;
-  {
-    EnterResource<PPB_Broker_API> enter_resource(resource, true);
-    if (enter_resource.failed())
-      return PP_FALSE;
-    instance = enter_resource.resource()->pp_instance();
-  }
-  EnterInstanceAPI<PPB_Broker_Instance_API> enter_instance(instance);
-  if (enter_instance.failed())
-    return PP_FALSE;
-  return enter_instance.functions()->IsAllowed();
-}
-
-const PPB_BrokerTrusted_0_2 g_ppb_broker_0_2_thunk = {
-  &CreateTrusted,
-  &IsBrokerTrusted,
-  &Connect,
-  &GetHandle,
-};
-
-const PPB_BrokerTrusted_0_3 g_ppb_broker_0_3_thunk = {
-  &CreateTrusted,
-  &IsBrokerTrusted,
-  &Connect,
-  &GetHandle,
-  &IsAllowed,
-};
-
-}  // namespace
-
-const PPB_BrokerTrusted_0_2* GetPPB_BrokerTrusted_0_2_Thunk() {
-  return &g_ppb_broker_0_2_thunk;
-}
-
-const PPB_BrokerTrusted_0_3* GetPPB_BrokerTrusted_0_3_Thunk() {
-  return &g_ppb_broker_0_3_thunk;
-}
-
-}  // namespace thunk
-}  // namespace ppapi

ppapi/thunk/resource_creation_api.h

@@ -179,7 +179,6 @@ class ResourceCreationAPI {
 #if !defined(OS_NACL)
   virtual PP_Resource CreateAudioInput(PP_Instance instance) = 0;
   virtual PP_Resource CreateAudioOutput(PP_Instance instance) = 0;
-  virtual PP_Resource CreateBroker(PP_Instance instance) = 0;
   virtual PP_Resource CreateBrowserFont(
       PP_Instance instance,
       const PP_BrowserFont_Trusted_Description* description) = 0;

sandbox/policy/sandbox_type.cc

@@ -178,8 +178,6 @@ SandboxType SandboxTypeFromCommandLine(const base::CommandLine& command_line) {
       return SandboxType::kNoSandbox;
     return SandboxType::kGpu;
   }
-  if (process_type == switches::kPpapiBrokerProcess)
-    return SandboxType::kNoSandbox;
 
   if (process_type == switches::kPpapiPluginProcess)
     return SandboxType::kPpapi;

sandbox/policy/sandbox_type_unittest.cc

@@ -134,19 +134,6 @@ TEST(SandboxTypeTest, GPU) {
   EXPECT_EQ(SandboxType::kNoSandbox, SandboxTypeFromCommandLine(command_line));
 }
 
-TEST(SandboxTypeTest, PPAPIBroker) {
-  base::CommandLine command_line(base::CommandLine::NO_PROGRAM);
-  command_line.AppendSwitchASCII(switches::kProcessType,
-                                 switches::kPpapiBrokerProcess);
-  EXPECT_EQ(SandboxType::kNoSandbox, SandboxTypeFromCommandLine(command_line));
-
-  command_line.AppendSwitchASCII(switches::kServiceSandboxType, "network");
-  EXPECT_EQ(SandboxType::kNoSandbox, SandboxTypeFromCommandLine(command_line));
-
-  command_line.AppendSwitch(switches::kNoSandbox);
-  EXPECT_EQ(SandboxType::kNoSandbox, SandboxTypeFromCommandLine(command_line));
-}
-
 TEST(SandboxTypeTest, PPAPIPlugin) {
   base::CommandLine command_line(base::CommandLine::NO_PROGRAM);
   command_line.AppendSwitchASCII(switches::kProcessType,

sandbox/policy/switches.cc

@@ -114,7 +114,6 @@ const char kProcessType[] = "type";
 const char kGpuProcess[] = "gpu-process";
 const char kNaClBrokerProcess[] = "nacl-broker";
 const char kNaClLoaderProcess[] = "nacl-loader";
-const char kPpapiBrokerProcess[] = "ppapi-broker";
 const char kPpapiPluginProcess[] = "ppapi";
 const char kRendererProcess[] = "renderer";
 const char kUtilityProcess[] = "utility";

sandbox/policy/switches.h

@@ -71,7 +71,6 @@ SANDBOX_POLICY_EXPORT extern const char kProcessType[];
 SANDBOX_POLICY_EXPORT extern const char kGpuProcess[];
 SANDBOX_POLICY_EXPORT extern const char kNaClBrokerProcess[];
 SANDBOX_POLICY_EXPORT extern const char kNaClLoaderProcess[];
-SANDBOX_POLICY_EXPORT extern const char kPpapiBrokerProcess[];
 SANDBOX_POLICY_EXPORT extern const char kPpapiPluginProcess[];
 SANDBOX_POLICY_EXPORT extern const char kRendererProcess[];
 SANDBOX_POLICY_EXPORT extern const char kUtilityProcess[];