Introduce PrefRegistrySyncable, simplifying PrefServiceSyncable.

chrome/browser/policy/url_blacklist_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_POLICY_URL_BLACKLIST_MANAGER_H_
 #define CHROME_BROWSER_POLICY_URL_BLACKLIST_MANAGER_H_
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/compiler_specific.h"
 #include "base/hash_tables.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/prefs/public/pref_change_registrar.h"
 #include "chrome/common/extensions/matcher/url_matcher.h"
 
 class GURL;
 class PrefService;
-class PrefServiceSyncable;
+class PrefRegistrySyncable;
 
 namespace base {
 class ListValue;
 }
 
 namespace policy {
 
 // Contains a set of filters to block and allow certain URLs, and matches GURLs
 // against this set. The filters are currently kept in memory.
 class URLBlacklist {
@@ skipping 94 matching lines @@
 
   // Returns true if |url| is blocked by the current blacklist. Must be called
   // from the IO thread.
   bool IsURLBlocked(const GURL& url) const;
 
   // Replaces the current blacklist. Must be called on the IO thread.
   // Virtual for testing.
   virtual void SetBlacklist(scoped_ptr<URLBlacklist> blacklist);
 
   // Registers the preferences related to blacklisting in the given PrefService.
-  static void RegisterUserPrefs(PrefServiceSyncable* pref_service);
+  static void RegisterUserPrefs(PrefRegistrySyncable* registry);
 
  protected:
   // Used to delay updating the blacklist while the preferences are
   // changing, and execute only one update per simultaneous prefs changes.
   void ScheduleUpdate();
 
   // Updates the blacklist using the current preference values.
   // Virtual for testing.
   virtual void Update();
 
@@ skipping 23 matching lines @@
 
   // The current blacklist.
   scoped_ptr<URLBlacklist> blacklist_;
 
   DISALLOW_COPY_AND_ASSIGN(URLBlacklistManager);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_URL_BLACKLIST_MANAGER_H_