Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/net/ssl_config_service_manager.h

 // Copyright (c) 2011 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_NET_SSL_CONFIG_SERVICE_MANAGER_H_
 #define CHROME_BROWSER_NET_SSL_CONFIG_SERVICE_MANAGER_H_
 
 namespace net {
 class SSLConfigService;
 }  // namespace net
 
 class PrefService;
+class PrefServiceSimple;
 
 // An interface for creating SSLConfigService objects.
 class SSLConfigServiceManager {
  public:
   // Create an instance of the SSLConfigServiceManager. The lifetime of the
   // PrefService objects must be longer than that of the manager. Get SSL
   // preferences from local_state object.  The user_prefs may be NULL if this
   // SSLConfigServiceManager is not associated with a profile.
   static SSLConfigServiceManager* CreateDefaultManager(
       PrefService* local_state,
       PrefService* user_prefs);
 
-  static void RegisterPrefs(PrefService* local_state);
+  static void RegisterPrefs(PrefServiceSimple* local_state);
 
   virtual ~SSLConfigServiceManager() {}
 
   // Get an SSLConfigService instance.  It may be a new instance or the manager
   // may return the same instance multiple times.
   // The caller should hold a reference as long as it needs the instance (eg,
   // using scoped_refptr.)
   virtual net::SSLConfigService* Get() = 0;
 };
 
 #endif  // CHROME_BROWSER_NET_SSL_CONFIG_SERVICE_MANAGER_H_