Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/chromeos/login/user_image_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_USER_IMAGE_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_USER_IMAGE_MANAGER_H_
 
 #include <string>
 
 #include "chrome/browser/chromeos/login/user.h"
 
 class FilePath;
-class PrefService;
+class PrefServiceSimple;
 
 namespace gfx {
 class ImageSkia;
 }
 
 namespace chromeos {
 
 class UserImage;
 
 // Base class that provides a mechanism for updating user images.
 class UserImageManager {
  public:
   // Registers user image manager preferences.
-  static void RegisterPrefs(PrefService* local_state);
+  static void RegisterPrefs(PrefServiceSimple* local_state);
 
   virtual ~UserImageManager();
 
   // Loads user image data from Local State.
   virtual void LoadUserImages(const UserList& users) = 0;
 
   // Indicates that a user with the given email has just logged in.
   virtual void UserLoggedIn(const std::string& email, bool user_is_new) = 0;
 
   // Sets user image to the default image with index |image_index|, sends
@@ skipping 29 matching lines @@
   virtual void DownloadProfileImage(const std::string& reason) = 0;
 
   // Returns the result of the last successful profile image download, if any.
   // Otherwise, returns an empty bitmap.
   virtual const gfx::ImageSkia& DownloadedProfileImage() const = 0;
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USER_IMAGE_MANAGER_H_