[chromeos] New PowerManagerClient observer to collect power data.

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

 // Copyright (c) 2013 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 <string>
 #include <vector>
 
 #include "ash/ash_switches.h"
@@ skipping 74 matching lines @@
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/power_policy_controller.h"
 #include "chromeos/dbus/session_manager_client.h"
 #include "chromeos/disks/disk_mount_manager.h"
 #include "chromeos/ime/input_method_manager.h"
 #include "chromeos/ime/xkeyboard.h"
 #include "chromeos/login/login_state.h"
 #include "chromeos/network/network_change_notifier_chromeos.h"
 #include "chromeos/network/network_change_notifier_factory_chromeos.h"
 #include "chromeos/network/network_handler.h"
+#include "chromeos/power/power_data_collector.h"
 #include "chromeos/system/statistics_provider.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/power_save_blocker.h"
 #include "content/public/common/main_function_params.h"
 #include "grit/platform_locale_settings.h"
 #include "media/audio/sounds/sounds_manager.h"
 #include "net/base/network_change_notifier.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_context_getter.h"
@@ skipping 148 matching lines @@
         PathService::Override(chromeos::DIR_USER_POLICY_KEYS,
                               user_data_dir.AppendASCII("stub_user_policy"));
       }
     }
 
     // Initialize DBusThreadManager for the browser. This must be done after
     // the main message loop is started, as it uses the message loop.
     DBusThreadManager::Initialize();
     CrosDBusService::Initialize();
 
+    // Initialize PowerDataCollector after DBusThreadManager is initialized.
+    PowerDataCollector::Initialize();
+
     LoginState::Initialize();
     SystemSaltGetter::Initialize();
     CertLoader::Initialize();
 
     // This function and SystemKeyEventListener use InputMethodManager.
     chromeos::input_method::Initialize(
         content::BrowserThread::GetMessageLoopProxyForThread(
             content::BrowserThread::UI),
         content::BrowserThread::GetMessageLoopProxyForThread(
             content::BrowserThread::FILE));
@@ skipping 33 matching lines @@
 
     cryptohome::AsyncMethodCaller::Shutdown();
     disks::DiskMountManager::Shutdown();
     input_method::Shutdown();
 
     SystemSaltGetter::Shutdown();
     LoginState::Shutdown();
 
     CrosDBusService::Shutdown();
 
+    // Shutdown the PowerDataCollector before shutting down DBusThreadManager.
+    PowerDataCollector::Shutdown();
+
     // NOTE: This must only be called if Initialize() was called.
     DBusThreadManager::Shutdown();
   }
 
  private:
 
   DISALLOW_COPY_AND_ASSIGN(DBusServices);
 };
 
 }  //  namespace internal
@@ skipping 438 matching lines @@
   // Destroy DBus services immediately after threads are stopped.
   dbus_services_.reset();
 
   ChromeBrowserMainPartsLinux::PostDestroyThreads();
 
   // Destroy DeviceSettingsService after g_browser_process.
   DeviceSettingsService::Shutdown();
 }
 
 }  //  namespace chromeos