chromeos: Add support for dimming the screen.

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

 // 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/chromeos/chrome_browser_main_chromeos.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/chromeos/chromeos_version.h"
 #include "base/command_line.h"
@@ skipping 22 matching lines @@
 #include "chrome/browser/chromeos/login/screen_locker.h"
 #include "chrome/browser/chromeos/login/session_manager_observer.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/net/cros_network_change_notifier_factory.h"
 #include "chrome/browser/chromeos/net/network_change_notifier_chromeos.h"
 #include "chrome/browser/chromeos/power/brightness_observer.h"
 #include "chrome/browser/chromeos/power/power_button_controller_delegate_chromeos.h"
 #include "chrome/browser/chromeos/power/power_button_observer.h"
 #include "chrome/browser/chromeos/power/power_state_override.h"
 #include "chrome/browser/chromeos/power/resume_observer.h"
+#include "chrome/browser/chromeos/power/screen_dimming_observer.h"
 #include "chrome/browser/chromeos/power/screen_lock_observer.h"
 #include "chrome/browser/chromeos/power/video_property_writer.h"
 #include "chrome/browser/chromeos/system/statistics_provider.h"
 #include "chrome/browser/chromeos/system_key_event_listener.h"
 #include "chrome/browser/chromeos/upgrade_detector_chromeos.h"
 #include "chrome/browser/chromeos/web_socket_proxy_controller.h"
 #include "chrome/browser/chromeos/xinput_hierarchy_changed_event_listener.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/metrics/metrics_service.h"
 #include "chrome/browser/oom_priority_manager.h"
@@ skipping 10 matching lines @@
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/power_manager_client.h"
 #include "chromeos/dbus/session_manager_client.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/common/main_function_params.h"
 #include "grit/platform_locale_settings.h"
 #include "net/base/network_change_notifier.h"
 #include "net/url_request/url_request.h"
 #include "ui/base/l10n/l10n_util.h"
 
-
-
 class MessageLoopObserver : public MessageLoopForUI::Observer {
   virtual base::EventStatus WillProcessEvent(
       const base::NativeEvent& event) OVERRIDE {
     return base::EVENT_CONTINUE;
   }
 
   virtual void DidProcessEvent(
       const base::NativeEvent& event) OVERRIDE {
   }
 };
@@ skipping 347 matching lines @@
   // FILE thread is created in ChromeBrowserMainParts::PreMainMessageLoopRun().
 
   // Get the statistics provider instance here to start loading statistcs
   // on the background FILE thread.
   chromeos::system::StatisticsProvider::GetInstance();
 
   // These are dependent on the ash::Shell singleton already having been
   // initialized.
   power_button_observer_.reset(new chromeos::PowerButtonObserver);
   video_property_writer_.reset(new chromeos::VideoPropertyWriter);
+  screen_dimming_observer_.reset(new chromeos::ScreenDimmingObserver);
 
   ChromeBrowserMainPartsLinux::PostBrowserStart();
 }
 
 // Shut down services before the browser process, etc are destroyed.
 void ChromeBrowserMainPartsChromeos::PostMainMessageLoopRun() {
   chromeos::BootTimesLoader::Get()->AddLogoutTimeMarker("UIMessageLoopEnded",
                                                         true);
 
   g_browser_process->oom_priority_manager()->Stop();
@@ skipping 29 matching lines @@
   // even if Initialize() wasn't called.
   chromeos::SystemKeyEventListener::Shutdown();
   chromeos::imageburner::BurnManager::Shutdown();
   chromeos::AudioHandler::Shutdown();
 
   chromeos::WebSocketProxyController::Shutdown();
 
   // Let VideoPropertyWriter unregister itself as an observer of the ash::Shell
   // singleton before the shell is destroyed.
   video_property_writer_.reset();
-  // Remove PowerButtonObserver attached to a D-Bus client before
-  // DBusThreadManager is shut down.
+
+  // Detach D-Bus clients before DBusThreadManager is shut down.
   power_button_observer_.reset();
+  screen_dimming_observer_.reset();
 
   ChromeBrowserMainPartsLinux::PostMainMessageLoopRun();
 }