Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/chromeos/login/wallpaper_manager.h

 // Copyright (c) 2012 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_CHROMEOS_LOGIN_WALLPAPER_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_WALLPAPER_MANAGER_H_
 
 #include <string>
 
 #include "ash/desktop_background/desktop_background_controller.h"
 #include "base/file_path.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "base/time.h"
 #include "base/timer.h"
 #include "chrome/browser/chromeos/login/user.h"
 #include "chrome/browser/chromeos/login/user_image.h"
 #include "chrome/browser/chromeos/login/user_image_loader.h"
 #include "chrome/browser/chromeos/system/timezone_settings.h"
 #include "chromeos/dbus/root_power_manager_observer.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "ui/gfx/image/image_skia.h"
 #include "unicode/timezone.h"
 
-class PrefService;
+class PrefServiceSimple;
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace chromeos {
 
 struct WallpaperInfo {
   // Online wallpaper URL or file name of migrated wallpaper.
   std::string file;
@@ skipping 20 matching lines @@
 // OS device.
 class WallpaperManager: public system::TimezoneSettings::Observer,
                         public chromeos::RootPowerManagerObserver,
                         public content::NotificationObserver {
  public:
   static WallpaperManager* Get();
 
   WallpaperManager();
 
   // Registers wallpaper manager preferences.
-  static void RegisterPrefs(PrefService* local_state);
+  static void RegisterPrefs(PrefServiceSimple* local_state);
 
   // Adds RootPowerManagerClient and TimeZoneSettings observers. It needs to be
   // added after RootPowerManagerClient has been initialized.
   void AddObservers();
 
   // Loads wallpaper asynchronously if the current wallpaper is not the
   // wallpaper of logged in user.
   void EnsureLoggedInUserWallpaperLoaded();
 
   // Clears ONLINE and CUSTOM wallpaper cache.
@@ skipping 219 matching lines @@
   content::NotificationRegistrar registrar_;
 
   base::OneShotTimer<WallpaperManager> timer_;
 
   DISALLOW_COPY_AND_ASSIGN(WallpaperManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_WALLPAPER_MANAGER_H_