Introduce PrefRegistrySyncable, simplifying PrefServiceSyncable.

chrome/browser/managed_mode/managed_mode.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_MANAGED_MODE_MANAGED_MODE_H_
 #define CHROME_BROWSER_MANAGED_MODE_MANAGED_MODE_H_
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "chrome/browser/ui/browser_list_observer.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class Browser;
 template<typename T>
 struct DefaultSingletonTraits;
 class ManagedModeSiteList;
 class ManagedModeURLFilter;
 class PrefChangeRegistrar;
 class PrefRegistrySimple;
-class PrefServiceSyncable;
+class PrefRegistrySyncable;
 class Profile;
 
 namespace policy {
 class URLBlacklist;
 }
 
 // Managed mode locks the UI to a certain managed user profile, preventing the
 // user from accessing other profiles.
 // The ManagedMode class provides methods to check whether the browser is in
 // managed mode, and to attempt to enter or leave managed mode.
@@ skipping 63 matching lines @@
   virtual void SetInManagedMode(Profile* newly_managed_profile);
 
   content::NotificationRegistrar registrar_;
   std::set<Browser*> browsers_to_close_;
   std::vector<EnterCallback> callbacks_;
 
   DISALLOW_COPY_AND_ASSIGN(ManagedMode);
 };
 
 #endif  // CHROME_BROWSER_MANAGED_MODE_MANAGED_MODE_H_