chromeos: Add power supply info reading capability

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

 // 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 "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/message_loop.h"
 #include "chrome/browser/chromeos/bluetooth/bluetooth_manager.h"
 #include "chrome/browser/chromeos/boot_times_loader.h"
 #include "chrome/browser/chromeos/brightness_observer.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/dbus/dbus_thread_manager.h"
+#include "chrome/browser/chromeos/dbus/power_manager_client.h"
 #include "chrome/browser/chromeos/dbus/session_manager_client.h"
 #include "chrome/browser/chromeos/login/session_manager_observer.h"
 #include "chrome/browser/chromeos/net/cros_network_change_notifier_factory.h"
 #include "chrome/browser/chromeos/system/statistics_provider.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/common/main_function_params.h"
 #include "net/base/network_change_notifier.h"
 
 #if defined(TOOLKIT_USES_GTK)
@@ skipping 86 matching lines @@
 }
 
 void ChromeBrowserMainPartsChromeos::PreMainMessageLoopStart() {
   ChromeBrowserMainPartsLinux::PreMainMessageLoopStart();
   // Initialize CrosLibrary only for the browser, unless running tests
   // (which do their own CrosLibrary setup).
   if (!parameters().ui_task) {
     bool use_stub = parameters().command_line_.HasSwitch(switches::kStubCros);
     chromeos::CrosLibrary::Initialize(use_stub);
   }
-  // Replace the default NetworkChangeNotifierFactory with ChromeOS specific
-  // implementation.
-  net::NetworkChangeNotifier::SetFactory(
-      new chromeos::CrosNetworkChangeNotifierFactory());
 }
 
 void ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun() {
   // FILE thread is created in ChromeBrowserMainParts::PreMainMessageLoopRun().
   ChromeBrowserMainPartsLinux::PreMainMessageLoopRun();
   // Get the statistics provider instance here to start loading statistcs
   // on the background FILE thread.
   chromeos::system::StatisticsProvider::GetInstance();
 }
 
 void ChromeBrowserMainPartsChromeos::PostMainMessageLoopStart() {
   ChromeBrowserMainPartsPosix::PostMainMessageLoopStart();
   MessageLoopForUI* message_loop = MessageLoopForUI::current();
   message_loop->AddObserver(g_message_loop_observer.Pointer());
 
   // Initialize DBusThreadManager for the browser. This must be done after
   // the main message loop is started, as it uses the message loop.
   chromeos::DBusThreadManager::Initialize();
 
+  // Replace the default NetworkChangeNotifierFactory with ChromeOS specific
+  // implementation.

[satorux1, 2011/10/29 02:28:48]

Please add some comment that this needs to be done after
DBusThreadManager::Initialize()

[Simon Que, 2011/11/02 00:13:43]

Done.

+  net::NetworkChangeNotifier::SetFactory(
+      new chromeos::CrosNetworkChangeNotifierFactory());
+
   // Initialize the brightness observer so that we'll display an onscreen
-  // indication of brightness changes during login.
+  // indication of brightness changes.
   brightness_observer_.reset(new chromeos::BrightnessObserver());
   chromeos::DBusThreadManager::Get()->power_manager_client()->AddObserver(
       brightness_observer_.get());
+
   // Initialize the session manager observer so that we'll take actions
   // per signals sent from the session manager.
   session_manager_observer_.reset(new chromeos::SessionManagerObserver);
   chromeos::DBusThreadManager::Get()->session_manager_client()->
       AddObserver(session_manager_observer_.get());
 
   // Initialize the Chrome OS bluetooth subsystem
   if (parsed_command_line().HasSwitch(switches::kEnableBluetooth)) {
     chromeos::BluetoothManager::Initialize();
   }
 }