Introduce PrefRegistrySyncable, simplifying PrefServiceSyncable.

chrome/browser/net/http_server_properties_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_NET_HTTP_SERVER_PROPERTIES_MANAGER_H_
 #define CHROME_BROWSER_NET_HTTP_SERVER_PROPERTIES_MANAGER_H_
 
 #include <string>
 #include <vector>
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/prefs/public/pref_change_registrar.h"
 #include "base/timer.h"
 #include "base/values.h"
 #include "net/base/host_port_pair.h"
 #include "net/http/http_pipelined_host_capability.h"
 #include "net/http/http_server_properties.h"
 #include "net/http/http_server_properties_impl.h"
 
 class PrefService;
-class PrefServiceSyncable;
+class PrefRegistrySyncable;
 
 namespace chrome_browser_net {
 
 ////////////////////////////////////////////////////////////////////////////////
 //  HttpServerPropertiesManager
 
 // The manager for creating and updating an HttpServerProperties (for example it
 // tracks if a server supports SPDY or not).
 //
 // This class interacts with both the UI thread, where notifications of pref
@@ skipping 23 matching lines @@
 
   // Initialize |http_server_properties_impl_| and |io_method_factory_| on IO
   // thread. It also posts a task to UI thread to get SPDY Server preferences
   // from |pref_service_|.
   void InitializeOnIOThread();
 
   // Prepare for shutdown. Must be called on the UI thread, before destruction.
   void ShutdownOnUIThread();
 
   // Register |prefs| for properties managed here.
-  static void RegisterUserPrefs(PrefServiceSyncable* prefs);
+  static void RegisterUserPrefs(PrefRegistrySyncable* registry);
 
   // Deletes all data. Works asynchronously, but if a |completion| callback is
   // provided, it will be fired on the UI thread when everything is done.
   void Clear(const base::Closure& completion);
 
   // ----------------------------------
   // net::HttpServerProperties methods:
   // ----------------------------------
 
   // Deletes all data. Works asynchronously.
@@ skipping 145 matching lines @@
       io_prefs_update_timer_;
 
   scoped_ptr<net::HttpServerPropertiesImpl> http_server_properties_impl_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpServerPropertiesManager);
 };
 
 }  // namespace chrome_browser_net
 
 #endif  // CHROME_BROWSER_NET_HTTP_SERVER_PROPERTIES_MANAGER_H_