Migrate chromeos::DBusThreadManager to namespace ash

This CL is part of the Chrome OS source code directory migration:
https://docs.google.com/document/d/1g-98HpzA8XcoGBWUv1gQNr4rbnD5yfvbtYZyPDDbkaE.

Bug: 1164001
Change-Id: Ie61000b26076f921187bc8dcb99397f9899d903d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3836621
Reviewed-by: Hidehiko Abe <hidehiko@chromium.org>
Commit-Queue: Yeunjoo Choi <ychoi@igalia.com>
Owners-Override: Hidehiko Abe <hidehiko@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1037539}

chrome/browser/ash/crostini/ansible/ansible_management_test_helper.h

@@ -36,7 +36,7 @@ class AnsibleManagementTestHelper {
   Profile* profile_;
   base::test::ScopedFeatureList scoped_feature_list_;
 
-  // Owned by chromeos::DBusThreadManager
+  // Owned by ash::DBusThreadManager
   ash::FakeCiceroneClient* fake_cicerone_client_;
 };
 

chrome/browser/ash/dbus/ash_dbus_helper.cc

@@ -125,10 +125,10 @@ void InitializeDBus() {
   chromeos::SystemSaltGetter::Initialize();
 
   // Initialize DBusThreadManager for the browser.
-  chromeos::DBusThreadManager::Initialize();
+  DBusThreadManager::Initialize();
 
   // Initialize Chrome dbus clients.
-  dbus::Bus* bus = chromeos::DBusThreadManager::Get()->GetSystemBus();
+  dbus::Bus* bus = DBusThreadManager::Get()->GetSystemBus();
 
   shill_clients::Initialize(bus);
 
@@ -212,7 +212,7 @@ void InitializeDBus() {
 void InitializeFeatureListDependentDBus() {
   using chromeos::InitializeDBusClient;
 
-  dbus::Bus* bus = chromeos::DBusThreadManager::Get()->GetSystemBus();
+  dbus::Bus* bus = DBusThreadManager::Get()->GetSystemBus();
   if (floss::features::IsFlossEnabled()) {
     InitializeDBusClient<floss::FlossDBusManager>(bus);
   } else {
@@ -329,7 +329,7 @@ void ShutdownDBus() {
   AnomalyDetectorClient::Shutdown();
 
   shill_clients::Shutdown();
-  chromeos::DBusThreadManager::Shutdown();
+  DBusThreadManager::Shutdown();
   chromeos::SystemSaltGetter::Shutdown();
 }
 

chrome/browser/ash/plugin_vm/plugin_vm_installer_unittest.cc

@@ -278,7 +278,7 @@ class PluginVmInstallerTestBase : public testing::Test {
   // A pointer to a singleton object which is valid until
   // ConciergeClient::Shutdown() is called.
   ash::FakeConciergeClient* fake_concierge_client_;
-  // Owned by chromeos::DBusThreadManager
+  // Owned by ash::DBusThreadManager
   chromeos::FakeDlcserviceClient* fake_dlcservice_client_;
 
  private:

chrome/browser/ash/policy/core/browser_policy_connector_ash.cc

@@ -137,7 +137,7 @@ BrowserPolicyConnectorAsh::BrowserPolicyConnectorAsh()
 
   // DBusThreadManager or DeviceSettingsService may be
   // uninitialized on unit tests.
-  if (chromeos::DBusThreadManager::IsInitialized() &&
+  if (ash::DBusThreadManager::IsInitialized() &&
       ash::DeviceSettingsService::IsInitialized()) {
     std::unique_ptr<DeviceCloudPolicyStoreAsh> device_cloud_policy_store =
         std::make_unique<DeviceCloudPolicyStoreAsh>(

chrome/browser/metrics/chrome_feature_list_creator.cc

@@ -133,7 +133,7 @@ void ChromeFeatureListCreator::CreatePrefService() {
 
 #if BUILDFLAG(IS_CHROMEOS_ASH)
   // DBus must be initialized before constructing the policy connector.
-  CHECK(chromeos::DBusThreadManager::IsInitialized());
+  CHECK(ash::DBusThreadManager::IsInitialized());
   browser_policy_connector_ =
       std::make_unique<policy::BrowserPolicyConnectorAsh>();
 #else

chrome/browser/metrics/perf/profile_provider_unittest_main.cc

@@ -140,7 +140,7 @@ class ProfileProviderRealCollectionTest : public testing::Test {
       const ProfileProviderRealCollectionTest&) = delete;
 
   void SetUp() override {
-    chromeos::DBusThreadManager::Initialize();
+    ash::DBusThreadManager::Initialize();
     // ProfileProvider requires chromeos::LoginState and
     // chromeos::PowerManagerClient to be initialized.
     chromeos::PowerManagerClient::InitializeFake();
@@ -186,7 +186,7 @@ class ProfileProviderRealCollectionTest : public testing::Test {
     TestingBrowserProcess::DeleteInstance();
     chromeos::LoginState::Shutdown();
     chromeos::PowerManagerClient::Shutdown();
-    chromeos::DBusThreadManager::Shutdown();
+    ash::DBusThreadManager::Shutdown();
     variations::testing::ClearAllVariationParams();
   }
 

chrome/browser/ui/ash/ash_shell_init.cc

@@ -26,8 +26,7 @@ void CreateShell() {
   shell_init_params.local_state = g_browser_process->local_state();
   shell_init_params.keyboard_ui_factory =
       std::make_unique<ChromeKeyboardUIFactory>();
-  shell_init_params.dbus_bus =
-      chromeos::DBusThreadManager::Get()->GetSystemBus();
+  shell_init_params.dbus_bus = ash::DBusThreadManager::Get()->GetSystemBus();
 
   ash::Shell::CreateInstance(std::move(shell_init_params));
 }

chromeos/ash/components/dbus/dbus_thread_manager.cc

@@ -9,7 +9,7 @@
 
 #include "base/logging.h"
 
-namespace chromeos {
+namespace ash {
 
 static DBusThreadManager* g_dbus_thread_manager = nullptr;
 
@@ -23,9 +23,9 @@ void DBusThreadManager::Initialize() {
   g_dbus_thread_manager = new DBusThreadManager();
 
   if (!g_dbus_thread_manager->IsUsingFakes())
-    VLOG(1) << "DBusThreadManager initialized for ChromeOS";
+    VLOG(1) << "ash::DBusThreadManager initialized for ChromeOS";
   else
-    VLOG(1) << "DBusThreadManager created for testing";
+    VLOG(1) << "ash::DBusThreadManager created for testing";
 }
 
 // static
@@ -52,4 +52,4 @@ DBusThreadManager* DBusThreadManager::Get() {
   return g_dbus_thread_manager;
 }
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/dbus/dbus_thread_manager.h

@@ -8,11 +8,11 @@
 #include "base/component_export.h"
 #include "chromeos/dbus/init/dbus_thread_manager_base.h"
 
-namespace chromeos {
+namespace ash {
 
 // Ash implementation of DBusThreadManagerBase.
 class COMPONENT_EXPORT(ASH_DBUS) DBusThreadManager
-    : public DBusThreadManagerBase {
+    : public chromeos::DBusThreadManagerBase {
  public:
   // Sets the global instance. Must be called before any calls to Get().
   // We explicitly initialize and shut down the global object, rather than
@@ -36,11 +36,6 @@ class COMPONENT_EXPORT(ASH_DBUS) DBusThreadManager
   ~DBusThreadManager() override;
 };
 
-}  // namespace chromeos
-
-// TODO(https://crbug.com/1164001): remove after moved to ash.
-namespace ash {
-using ::chromeos::DBusThreadManager;
-}
+}  // namespace ash
 
 #endif  // CHROMEOS_ASH_COMPONENTS_DBUS_DBUS_THREAD_MANAGER_H_

chromeos/ash/components/dbus/dbus_thread_manager_unittest.cc

@@ -6,7 +6,7 @@
 
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace chromeos {
+namespace ash {
 
 TEST(DBusThreadManagerTest, Initialize) {
   DBusThreadManager::Initialize();
@@ -22,4 +22,4 @@ TEST(DBusThreadManagerTest, Initialize) {
   EXPECT_FALSE(DBusThreadManager::IsInitialized());
 }
 
-}  // namespace chromeos
+}  // namespace ash

content/browser/tracing/cros_tracing_agent.cc

@@ -38,7 +38,7 @@ class CrOSSystemTracingSession {
   // |true| if tracing was started and |false| otherwise.
   void StartTracing(const std::string& config, SuccessCallback callback) {
     DCHECK(!is_tracing_);
-    if (!chromeos::DBusThreadManager::IsInitialized()) {
+    if (!ash::DBusThreadManager::IsInitialized()) {
       if (callback)
         std::move(callback).Run(/*success=*/false);
       return;

content/shell/browser/shell_browser_main_parts.cc

@@ -116,7 +116,7 @@ ShellBrowserMainParts::~ShellBrowserMainParts() = default;
 
 void ShellBrowserMainParts::PostCreateMainMessageLoop() {
 #if BUILDFLAG(IS_CHROMEOS_ASH)
-  chromeos::DBusThreadManager::Initialize();
+  ash::DBusThreadManager::Initialize();
 #elif BUILDFLAG(IS_CHROMEOS_LACROS)
   chromeos::LacrosDBusThreadManager::Initialize();
 #endif
@@ -212,7 +212,7 @@ void ShellBrowserMainParts::PostDestroyThreads() {
 #endif
 
 #if BUILDFLAG(IS_CHROMEOS_ASH)
-  chromeos::DBusThreadManager::Shutdown();
+  ash::DBusThreadManager::Shutdown();
 #elif BUILDFLAG(IS_CHROMEOS_LACROS)
   chromeos::LacrosDBusThreadManager::Shutdown();
 #endif

extensions/shell/browser/shell_browser_main_parts.cc

@@ -108,8 +108,8 @@ void ShellBrowserMainParts::PostCreateMainMessageLoop() {
   // Perform initialization of D-Bus objects here rather than in the below
   // helper classes so those classes' tests can initialize stub versions of the
   // D-Bus objects.
-  chromeos::DBusThreadManager::Initialize();
-  dbus::Bus* bus = chromeos::DBusThreadManager::Get()->GetSystemBus();
+  ash::DBusThreadManager::Initialize();
+  dbus::Bus* bus = ash::DBusThreadManager::Get()->GetSystemBus();
 #elif BUILDFLAG(IS_CHROMEOS_LACROS)
   chromeos::LacrosDBusThreadManager::Initialize();
   dbus::Bus* bus = chromeos::LacrosDBusThreadManager::Get()->GetSystemBus();
@@ -315,7 +315,7 @@ void ShellBrowserMainParts::PostDestroyThreads() {
 #endif
 
 #if BUILDFLAG(IS_CHROMEOS_ASH)
-  chromeos::DBusThreadManager::Shutdown();
+  ash::DBusThreadManager::Shutdown();
 #elif BUILDFLAG(IS_CHROMEOS_LACROS)
   chromeos::LacrosDBusThreadManager::Shutdown();
 #endif

extensions/shell/browser/shell_network_controller_chromeos.h

@@ -18,7 +18,7 @@ namespace extensions {
 // Handles network-related tasks for app_shell on Chrome OS.
 class ShellNetworkController : public ash::NetworkStateHandlerObserver {
  public:
-  // This class must be instantiated after chromeos::DBusThreadManager and
+  // This class must be instantiated after ash::DBusThreadManager and
   // destroyed before it.
   explicit ShellNetworkController(const std::string& preferred_network_name);
 

rlz/chromeos/lib/rlz_value_store_chromeos.cc

@@ -126,10 +126,8 @@ void OnSetRlzPingSent(int retry_count, bool success);
 void SetRlzPingSent(int retry_count) {
   // GetSystemBus() could return null in tests.
   base::SequencedTaskRunner* const origin_task_runner =
-      chromeos::DBusThreadManager::Get()->GetSystemBus()
-          ? chromeos::DBusThreadManager::Get()
-                ->GetSystemBus()
-                ->GetOriginTaskRunner()
+      ash::DBusThreadManager::Get()->GetSystemBus()
+          ? ash::DBusThreadManager::Get()->GetSystemBus()->GetOriginTaskRunner()
           : nullptr;
   if (origin_task_runner && !origin_task_runner->RunsTasksInCurrentSequence()) {
     origin_task_runner->PostTask(FROM_HERE,

rlz/lib/rlz_lib_test.cc

@@ -1112,7 +1112,7 @@ class ScopedTestDebugDaemonClient : public ash::FakeDebugDaemonClient {
 };
 
 TEST_F(RlzLibTest, SetRlzPingSent) {
-  chromeos::DBusThreadManager::Initialize();
+  ash::DBusThreadManager::Initialize();
   auto debug_daemon_client = std::make_unique<ScopedTestDebugDaemonClient>();
   const char* kPingResponse =
       "stateful-events: CAF\r\n"
@@ -1133,7 +1133,7 @@ TEST_F(RlzLibTest, SetRlzPingSent) {
   EXPECT_EQ(debug_daemon_client->num_set_rlz_ping_sent(),
             1 + rlz_lib::RlzValueStoreChromeOS::kMaxRetryCount);
   debug_daemon_client.reset();
-  chromeos::DBusThreadManager::Shutdown();
+  ash::DBusThreadManager::Shutdown();
 }
 
 TEST_F(RlzLibTest, NoRecordCAFEvent) {

services/device/media_transfer_protocol/mtp_device_manager.cc

@@ -22,7 +22,7 @@ MtpDeviceManager* g_mtp_device_manager = nullptr;
 }  // namespace
 
 MtpDeviceManager::MtpDeviceManager()
-    : bus_(chromeos::DBusThreadManager::Get()->GetSystemBus()) {
+    : bus_(ash::DBusThreadManager::Get()->GetSystemBus()) {
   // Listen for future mtpd service owner changes, in case it is not
   // available right now. There is no guarantee that mtpd is running already.
   dbus::Bus::ServiceOwnerChangeCallback mtpd_owner_changed_callback =