Add experimental extension APIs to notify about wakeup and screen unlock

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/accessibility/system_event_observer.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/disks/disk_mount_manager.h"
 #include "chrome/browser/chromeos/input_method/input_method_manager.h"
 #include "chrome/browser/chromeos/input_method/xkeyboard.h"
@@ skipping 86 matching lines @@
     chromeos::DBusThreadManager::Get()->GetSessionManagerClient()->
         RemoveObserver(session_manager_observer_.get());
   }
   if (brightness_observer_.get()) {
     chromeos::DBusThreadManager::Get()->GetPowerManagerClient()
         ->RemoveObserver(brightness_observer_.get());
   }
 
   chromeos::DBusThreadManager::Shutdown();
 
+  chromeos::accessibility::SystemEventObserver::Shutdown();
+
   if (!parameters().ui_task && chromeos::CrosLibrary::Get())
     chromeos::CrosLibrary::Shutdown();
 
   // To be precise, logout (browser shutdown) is not yet done, but the
   // remaining work is negligible, hence we say LogoutDone here.
   chromeos::BootTimesLoader::Get()->AddLogoutTimeMarker("LogoutDone",
                                                         false);
   chromeos::BootTimesLoader::Get()->WriteLogoutTimes();
 }
 
@@ skipping 13 matching lines @@
   // 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());
+
+  chromeos::accessibility::SystemEventObserver::Initialize();
 }
 
 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();
 
   // Initialize the Chrome OS bluetooth subsystem.
@@ skipping 44 matching lines @@
     // Enable Num Lock on X start up.
       chromeos::input_method::InputMethodManager::GetInstance()->
           GetXKeyboard()->SetNumLockEnabled(true);
 
 #if defined(USE_AURA)
       initial_browser_window_observer_.reset(
           new chromeos::InitialBrowserWindowObserver);
 #endif
   }
 }