chromeos: Move device shutdown handling out of chrome into ash

chrome/browser/ui/webui/chromeos/login/oobe_ui.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_OOBE_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_OOBE_UI_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 98 matching lines @@
   SupervisedUserCreationScreenHandler* GetSupervisedUserCreationScreenActor();
   AppLaunchSplashScreenActor* GetAppLaunchSplashScreenActor();
   bool IsJSReady(const base::Closure& display_is_ready_callback);
   HIDDetectionView* GetHIDDetectionView();
   ControllerPairingScreenActor* GetControllerPairingScreenActor();
   HostPairingScreenActor* GetHostPairingScreenActor();
   DeviceDisabledScreenActor* GetDeviceDisabledScreenActor();
   GaiaScreenHandler* GetGaiaScreenActor();
   UserBoardView* GetUserBoardScreenActor();
 
-  // ShutdownPolicyObserver::Delegate
+  // ShutdownPolicyHandler::Delegate
   void OnShutdownPolicyChanged(bool reboot_on_shutdown) override;
 
   // Collects localized strings from the owned handlers.
   void GetLocalizedStrings(base::DictionaryValue* localized_strings);
 
   // Initializes the handlers.
   void InitializeHandlers();
 
   // Invoked after the async assets load. The screen handler that has the same
   // async assets load id will be initialized.
@@ skipping 113 matching lines @@
   std::unique_ptr<ShutdownPolicyHandler> shutdown_policy_handler_;
 
   std::unique_ptr<ash::ScreenDimmer> screen_dimmer_;
 
   DISALLOW_COPY_AND_ASSIGN(OobeUI);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_OOBE_UI_H_