Implement HasPermission() method in PermissionService.

This patch implements the HasPermission() method in the mojo PermissionService.
This methiod will be required for the Permissions API, see
https://w3c.github.io/permissions/

BUG=430238

Committed: https://crrev.com/277b23d74855b51ebe67ae0da7cd9e0b053044cf
Cr-Commit-Position: refs/heads/master@{#307302}

Committed: https://crrev.com/14570267ac4d5dc473d29f256e8d044e9bfcc8d2
Cr-Commit-Position: refs/heads/master@{#307504}

Review URL: https://codereview.chromium.org/750633003

Cr-Commit-Position: refs/heads/master@{#307948}

chrome/browser/chrome_content_browser_client.cc

@@ -599,6 +599,24 @@ void GetGuestViewDefaultContentSettingRules(
 }
 #endif  // defined(ENALBE_EXTENSIONS)
 
+content::PermissionStatus
+ContentSettingToPermissionStatus(ContentSetting setting) {
+  switch (setting) {
+    case CONTENT_SETTING_ALLOW:
+    case CONTENT_SETTING_SESSION_ONLY:
+      return content::PERMISSION_STATUS_GRANTED;
+    case CONTENT_SETTING_BLOCK:
+      return content::PERMISSION_STATUS_DENIED;
+    case CONTENT_SETTING_ASK:
+      return content::PERMISSION_STATUS_ASK;
+    case CONTENT_SETTING_DEFAULT:
+    case CONTENT_SETTING_NUM_SETTINGS:
+      break;
+  }
+  NOTREACHED();
+  return content::PERMISSION_STATUS_DENIED;
+}
+
 }  // namespace
 
 namespace chrome {
@@ -1917,6 +1935,49 @@ void ChromeContentBrowserClient::RequestPermission(
   }
 }
 
+content::PermissionStatus ChromeContentBrowserClient::GetPermissionStatus(
+    content::PermissionType permission,
+    content::BrowserContext* browser_context,
+    const GURL& requesting_origin,
+    const GURL& embedding_origin) {
+  DCHECK(browser_context);
+  Profile* profile = Profile::FromBrowserContext(browser_context);
+
+  PermissionContextBase* context = nullptr;
+  switch (permission) {
+    case content::PERMISSION_MIDI_SYSEX:
+      context = MidiPermissionContextFactory::GetForProfile(profile);
+      break;
+    case content::PERMISSION_NOTIFICATIONS:
+#if defined(ENABLE_NOTIFICATIONS)
+      context = DesktopNotificationServiceFactory::GetForProfile(profile);
+#else
+      NOTIMPLEMENTED();
+#endif
+      break;
+    case content::PERMISSION_GEOLOCATION:
+      context = GeolocationPermissionContextFactory::GetForProfile(profile);
+      break;
+    case content::PERMISSION_PROTECTED_MEDIA:
+      NOTIMPLEMENTED();
+      break;
+    case content::PERMISSION_PUSH_MESSAGING:
+      context = gcm::PushMessagingPermissionContextFactory::GetForProfile(
+          profile);
+      break;
+    case content::PERMISSION_NUM:
+      NOTREACHED() << "Invalid RequestPermission for " << permission;
+      break;
+  }
+
+  ContentSetting result = context
+      ? context->GetPermissionStatus(requesting_origin.GetOrigin(),
+                                     embedding_origin.GetOrigin())
+      : CONTENT_SETTING_DEFAULT;
+
+  return ContentSettingToPermissionStatus(result);
+}
+
 void ChromeContentBrowserClient::CancelPermissionRequest(
     content::PermissionType permission,
     content::WebContents* web_contents,

chrome/browser/chrome_content_browser_client.h

@@ -189,6 +189,11 @@ class ChromeContentBrowserClient : public content::ContentBrowserClient {
       const GURL& requesting_frame,
       bool user_gesture,
       const base::Callback<void(bool)>& result_callback) override;
+  content::PermissionStatus GetPermissionStatus(
+      content::PermissionType permission,
+      content::BrowserContext* browser_context,
+      const GURL& requesting_origin,
+      const GURL& embedding_origin) override;
   void CancelPermissionRequest(content::PermissionType permission,
                                content::WebContents* web_contents,
                                int bridge_id,

content/browser/permissions/OWNERS

@@ -0,0 +1,2 @@
+mlamouri@chromium.org
+timvolodine@chromium.org

content/browser/permissions/permission_service_context.cc

@@ -7,6 +7,7 @@
 #include "content/browser/permissions/permission_service_impl.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/render_frame_host.h"
+#include "content/public/browser/render_process_host.h"
 #include "content/public/browser/web_contents.h"
 
 namespace content {
@@ -14,7 +15,15 @@ namespace content {
 PermissionServiceContext::PermissionServiceContext(
     RenderFrameHost* render_frame_host)
     : WebContentsObserver(WebContents::FromRenderFrameHost(render_frame_host)),
-      render_frame_host_(render_frame_host) {
+      render_frame_host_(render_frame_host),
+      render_process_host_(nullptr) {
+}
+
+PermissionServiceContext::PermissionServiceContext(
+    RenderProcessHost* render_process_host)
+    : WebContentsObserver(nullptr),
+      render_frame_host_(nullptr),
+      render_process_host_(render_process_host) {
 }
 
 PermissionServiceContext::~PermissionServiceContext() {
@@ -60,4 +69,17 @@ void PermissionServiceContext::CancelPendingRequests(
     service->CancelPendingRequests();
 }
 
+BrowserContext* PermissionServiceContext::GetBrowserContext() const {
+  if (!web_contents()) {
+    DCHECK(render_process_host_);
+    return render_process_host_->GetBrowserContext();
+  }
+  return web_contents()->GetBrowserContext();
+}
+
+GURL PermissionServiceContext::GetEmbeddingOrigin() const {
+  return web_contents() ? web_contents()->GetLastCommittedURL().GetOrigin()
+                        : GURL();
+}
+
 } // namespace content

content/browser/permissions/permission_service_context.h

@@ -15,6 +15,7 @@ namespace content {
 class PermissionService;
 class PermissionServiceImpl;
 class RenderFrameHost;
+class RenderProcessHost;
 
 // Provides information to a PermissionService. It is used by the
 // PermissionService to handle request permission UI.
@@ -23,6 +24,7 @@ class RenderFrameHost;
 class PermissionServiceContext : public WebContentsObserver {
  public:
   explicit PermissionServiceContext(RenderFrameHost* render_frame_host);
+  explicit PermissionServiceContext(RenderProcessHost* render_process_host);
   virtual ~PermissionServiceContext();
 
   void CreateService(mojo::InterfaceRequest<PermissionService> request);
@@ -31,6 +33,9 @@ class PermissionServiceContext : public WebContentsObserver {
   // connection error in order to get unregistered and killed.
   void ServiceHadConnectionError(PermissionServiceImpl* service);
 
+  BrowserContext* GetBrowserContext() const;
+  GURL GetEmbeddingOrigin() const;
+
  private:
   // WebContentsObserver
   void RenderFrameDeleted(RenderFrameHost* render_frame_host) override;
@@ -41,6 +46,7 @@ class PermissionServiceContext : public WebContentsObserver {
   void CancelPendingRequests(RenderFrameHost*) const;
 
   RenderFrameHost* render_frame_host_;
+  RenderProcessHost* render_process_host_;
   ScopedVector<PermissionServiceImpl> services_;
 
   DISALLOW_COPY_AND_ASSIGN(PermissionServiceContext);

content/browser/permissions/permission_service_impl.cc

@@ -109,7 +109,16 @@ void PermissionServiceImpl::HasPermission(
     PermissionName permission,
     const mojo::String& origin,
     const mojo::Callback<void(PermissionStatus)>& callback) {
-  NOTIMPLEMENTED();
+  DCHECK(context_->GetBrowserContext());
+
+  // If the embedding_origin is empty we'll use |origin| instead.
+  GURL embedding_origin = context_->GetEmbeddingOrigin();
+
+  callback.Run(GetContentClient()->browser()->GetPermissionStatus(
+      PermissionNameToPermissionType(permission),
+      context_->GetBrowserContext(),
+      GURL(origin),
+      embedding_origin.is_empty() ? GURL(origin) : embedding_origin));
 }
 
 }  // namespace content

content/browser/renderer_host/render_process_host_impl.cc

@@ -456,7 +456,7 @@ RenderProcessHostImpl::RenderProcessHostImpl(
       within_process_died_observer_(false),
       power_monitor_broadcaster_(this),
       worker_ref_count_(0),
-      permission_service_context_(new PermissionServiceContext(nullptr)),
+      permission_service_context_(new PermissionServiceContext(this)),
       weak_factory_(this) {
   widget_helper_ = new RenderWidgetHelper();
 

content/common/permission_service.mojom

@@ -4,11 +4,7 @@
 
 module content;
 
-enum PermissionStatus {
-  GRANTED,
-  DENIED,
-  ASK
-};
+import "content/public/common/permission_status.mojom";
 
 enum PermissionName {
   GEOLOCATION,

content/content.gyp

@@ -25,7 +25,6 @@
     ['OS != "ios"', {
       'includes': [
         '../build/win_precompile.gypi',
-        'content_common_mojo_bindings.gypi',
         'content_resources.gypi',
       ],
     }],
@@ -75,7 +74,6 @@
             ['OS != "ios"', {
               'dependencies': [
                 'content_child',
-                'content_common_mojo_bindings',
                 'content_gpu',
                 'content_plugin',
                 'content_ppapi_plugin',
@@ -175,7 +173,6 @@
             }],
             ['OS != "ios"', {
               'dependencies': [
-                'content_common_mojo_bindings',
                 'content_resources',
               ],
             }],
@@ -192,7 +189,6 @@
           'conditions': [
             ['OS != "ios"', {
               'dependencies': [
-                'content_common_mojo_bindings',
                 'content_resources',
               ],
             }],
@@ -312,11 +308,6 @@
                 '../v8/src/third_party/vtune/v8vtune.gyp:v8_vtune',
               ],
             }],
-            ['OS != "ios"', {
-              'dependencies': [
-                'content_common_mojo_bindings',
-              ]
-            }]
           ],
           'includes': [
             'content_app.gypi',

content/content_app.gypi

@@ -10,9 +10,12 @@
     '../base/base.gyp:base',
     '../base/base.gyp:base_i18n',
     '../crypto/crypto.gyp:crypto',
+    '../mojo/edk/mojo_edk.gyp:mojo_system_impl',
+    '../mojo/mojo_base.gyp:mojo_environment_chromium',
     '../ui/base/ui_base.gyp:ui_base',
     '../ui/gfx/gfx.gyp:gfx',
     '../ui/gfx/gfx.gyp:gfx_geometry',
+    'content_common_mojo_bindings.gyp:content_common_mojo_bindings',
   ],
   'sources': [
     'app/android/app_jni_registrar.cc',
@@ -63,11 +66,6 @@
         'app/mojo/mojo_init.cc',
         'app/mojo/mojo_init.h',
       ],
-    }, {  # OS!="ios"
-      'dependencies': [
-        '../mojo/edk/mojo_edk.gyp:mojo_system_impl',
-        '../mojo/mojo_base.gyp:mojo_environment_chromium',
-     ],
     }],
   ],
 }

content/content_browser.gypi

@@ -29,6 +29,7 @@
     '../ui/snapshot/snapshot.gyp:snapshot',
     'browser/service_worker/service_worker_proto.gyp:proto',
     'browser/speech/proto/speech_proto.gyp:speech_proto',
+    'content_common_mojo_bindings.gyp:content_common_mojo_bindings',
   ],
   'export_dependent_settings': [
     '../ui/accessibility/accessibility.gyp:ax_gen',
@@ -38,6 +39,7 @@
     '../third_party/WebKit/public/blink_headers.gyp:blink_headers',
     # The public render_widget_host.h needs to re-export skia defines.
     '../skia/skia.gyp:skia',
+    'content_common_mojo_bindings.gyp:content_common_mojo_bindings',
   ],
   'include_dirs': [
     '..',

content/content_child.gypi

@@ -13,6 +13,7 @@
     '../ui/gfx/gfx.gyp:gfx',
     '../ui/gfx/gfx.gyp:gfx_geometry',
     '../url/url.gyp:url_lib',
+    'content_common_mojo_bindings.gyp:content_common_mojo_bindings',
   ],
   'include_dirs': [
     '..',

content/content_common_mojo_bindings.gyp

@@ -17,6 +17,7 @@
           # NOTE: Sources duplicated in
           # //content/public/common/BUILD.gn:mojo_bindings.
           'public/common/mojo_geoposition.mojom',
+          'public/common/permission_status.mojom',
         ],
       },
       'includes': [ '../mojo/public/tools/bindings/mojom_bindings_generator_explicit.gypi' ],

content/content_ppapi_plugin.gypi

@@ -12,6 +12,7 @@
         '../ui/gfx/gfx.gyp:gfx',
         '../ui/gfx/gfx.gyp:gfx_geometry',
         '../third_party/WebKit/public/blink.gyp:blink',
+        'content_common_mojo_bindings.gyp:content_common_mojo_bindings',
       ],
       'sources': [
         'ppapi_plugin/broker_process_dispatcher.cc',

content/content_renderer.gypi

@@ -36,6 +36,7 @@
     '../ui/surface/surface.gyp:surface',
     '../v8/tools/gyp/v8.gyp:v8',
     '../webkit/common/gpu/webkit_gpu.gyp:webkit_gpu',
+    'content_common_mojo_bindings.gyp:content_common_mojo_bindings',
   ],
   'include_dirs': [
     '..',

content/content_tests.gypi

@@ -199,6 +199,8 @@
       'target_name': 'test_support_content',
       'type': 'static_library',
       'dependencies': [
+        '../mojo/edk/mojo_edk.gyp:mojo_system_impl',
+        '../mojo/mojo_base.gyp:mojo_environment_chromium',
         '../net/net.gyp:net_test_support',
         '../skia/skia.gyp:skia',
         '../storage/storage_common.gyp:storage_common',
@@ -375,6 +377,7 @@
         'browser/speech/proto/speech_proto.gyp:speech_proto',
         'content.gyp:content_browser',
         'content.gyp:content_common',
+        'content_common_mojo_bindings.gyp:content_common_mojo_bindings',
         'test_support_content',
         '../base/base.gyp:test_support_base',
         '../crypto/crypto.gyp:crypto',
@@ -1155,6 +1158,7 @@
             'content.gyp:content_renderer',
             'content.gyp:content_resources',
             'content_browser_test_support',
+            'content_common_mojo_bindings.gyp:content_common_mojo_bindings',
             'content_shell_lib',
             'content_shell_pak',
             'test_support_content',

content/public/browser/content_browser_client.cc

@@ -226,6 +226,14 @@ void ContentBrowserClient::RequestPermission(
   result_callback.Run(true);
 }
 
+PermissionStatus ContentBrowserClient::GetPermissionStatus(
+    PermissionType permission,
+    BrowserContext* browser_context,
+    const GURL& requesting_origin,
+    const GURL& embedding_origin) {
+  return PERMISSION_STATUS_DENIED;
+}
+
 bool ContentBrowserClient::CanCreateWindow(
     const GURL& opener_url,
     const GURL& opener_top_level_frame_url,

content/public/browser/content_browser_client.h

@@ -19,6 +19,7 @@
 #include "content/public/browser/permission_type.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/media_stream_request.h"
+#include "content/public/common/permission_status.mojom.h"
 #include "content/public/common/resource_type.h"
 #include "content/public/common/socket_permission_request.h"
 #include "content/public/common/window_container_type.h"
@@ -438,6 +439,12 @@ class CONTENT_EXPORT ContentBrowserClient {
                                        const GURL& frame_url,
                                        const GURL& main_frame_url) {}
 
+  virtual PermissionStatus GetPermissionStatus(
+      PermissionType permission,
+      BrowserContext* browser_context,
+      const GURL& requesting_origin,
+      const GURL& embedding_origin);
+
   // Returns true if the given page is allowed to open a window of the given
   // type. If true is returned, |no_javascript_access| will indicate whether
   // the window that is created should be scriptable/in the same process.

content/public/common/BUILD.gn

@@ -52,5 +52,6 @@ source_set("common_sources") {
 mojom("mojo_bindings") {
   sources = [
     "mojo_geoposition.mojom",
+    "permission_status.mojom",
   ]
 }

content/public/common/permission_status.mojom

@@ -0,0 +1,11 @@
+// Copyright 2014 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.
+
+module content;
+
+enum PermissionStatus {
+  GRANTED,
+  DENIED,
+  ASK
+};