[cros] Move User class to user_manager component.

chrome/browser/notifications/message_center_settings_controller.h

 // 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.
 
 #ifndef CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_SETTINGS_CONTROLLER_H_
 #define CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_SETTINGS_CONTROLLER_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 62 matching lines @@
                                   bool enabled) OVERRIDE;
   virtual void OnNotifierSettingsClosing() OVERRIDE;
   virtual bool NotifierHasAdvancedSettings(
       const message_center::NotifierId& notifier_id) const OVERRIDE;
   virtual void OnNotifierAdvancedSettingsRequested(
       const message_center::NotifierId& notifier_id,
       const std::string* notification_id) OVERRIDE;
 
 #if defined(OS_CHROMEOS)
   // Overridden from chromeos::UserManager::UserSessionStateObserver.
-  virtual void ActiveUserChanged(const chromeos::User* active_user) OVERRIDE;
+  virtual void ActiveUserChanged(
+      const user_manager::User* active_user) OVERRIDE;
 #endif
 
   // Overridden from extensions::AppIconLoader::Delegate.
   virtual void SetAppImage(const std::string& id,
                            const gfx::ImageSkia& image) OVERRIDE;
 
  private:
   // Overridden from content::NotificationObserver.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
@@ skipping 30 matching lines @@
   content::NotificationRegistrar registrar_;
 
   ProfileInfoCache* profile_info_cache_;
 
   base::WeakPtrFactory<MessageCenterSettingsController> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageCenterSettingsController);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_SETTINGS_CONTROLLER_H_