Use PrefChangeRegistrar everywhere

chrome/browser/profile_impl.h

 // Copyright (c) 2010 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.
 
 // This class gathers state related to a single user profile.
 
 #ifndef CHROME_BROWSER_PROFILE_IMPL_H_
 #define CHROME_BROWSER_PROFILE_IMPL_H_
 #pragma once
 
 #include "base/file_path.h"
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "base/timer.h"
 #include "chrome/browser/profile.h"
+#include "chrome/browser/prefs/pref_change_registrar.h"
 #include "chrome/browser/spellcheck_host_observer.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
 
 #if defined(OS_CHROMEOS)
 namespace chromeos {
 class Preferences;
 }
 #endif
 
@@ skipping 111 matching lines @@
 
   void EnsureRequestContextCreated() {
     GetRequestContext();
   }
 
   void EnsureSessionServiceCreated() {
     GetSessionService();
   }
 
   NotificationRegistrar registrar_;
+  PrefChangeRegistrar pref_change_registrar_;
 
   FilePath path_;
   FilePath base_cache_path_;
   scoped_ptr<VisitedLinkEventListener> visited_link_event_listener_;
   scoped_ptr<VisitedLinkMaster> visited_link_master_;
   scoped_refptr<ExtensionsService> extensions_service_;
   scoped_refptr<UserScriptMaster> user_script_master_;
   scoped_refptr<ExtensionDevToolsManager> extension_devtools_manager_;
   scoped_ptr<ExtensionProcessManager> extension_process_manager_;
   scoped_refptr<ExtensionMessageService> extension_message_service_;
@@ skipping 90 matching lines @@
   scoped_ptr<chromeos::Preferences> chromeos_preferences_;
 
   scoped_refptr<chromeos::ProxyConfigServiceImpl>
       chromeos_proxy_config_service_impl_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(ProfileImpl);
 };
 
 #endif  // CHROME_BROWSER_PROFILE_IMPL_H_