Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/search_engines/template_url_service_factory.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_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_FACTORY_H_
 #define CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_FACTORY_H_
 
 #include "base/memory/singleton.h"
 #include "chrome/browser/profiles/profile_keyed_service_factory.h"
 
-class PrefService;
+class PrefServiceSyncable;
 class Profile;
 class TemplateURLService;
 
 // Singleton that owns all TemplateURLService and associates them with
 // Profiles.
 class TemplateURLServiceFactory : public ProfileKeyedServiceFactory {
  public:
   static TemplateURLService* GetForProfile(Profile* profile);
 
   static TemplateURLServiceFactory* GetInstance();
 
   static ProfileKeyedService* BuildInstanceFor(Profile* profile);
 
  private:
   friend struct DefaultSingletonTraits<TemplateURLServiceFactory>;
 
   TemplateURLServiceFactory();
   virtual ~TemplateURLServiceFactory();
 
   // ProfileKeyedServiceFactory:
   virtual ProfileKeyedService* BuildServiceInstanceFor(
       Profile* profile) const OVERRIDE;
-  virtual void RegisterUserPrefs(PrefService* user_prefs) OVERRIDE;
+  virtual void RegisterUserPrefs(PrefServiceSyncable* user_prefs) OVERRIDE;
   virtual bool ServiceRedirectedInIncognito() const OVERRIDE;
   virtual bool ServiceIsNULLWhileTesting() const OVERRIDE;
   virtual void ProfileShutdown(Profile* profile) OVERRIDE;
   virtual void ProfileDestroyed(Profile* profile) OVERRIDE;
 };
 
 #endif  // CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_FACTORY_H_