Introduce PrefRegistrySyncable, simplifying PrefServiceSyncable.

chrome/browser/notifications/desktop_notification_service.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_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_
 #define CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/prefs/public/pref_member.h"
 #include "base/string16.h"
 #include "chrome/browser/content_settings/content_settings_provider.h"
 #include "chrome/browser/profiles/profile_keyed_service.h"
 #include "chrome/common/content_settings.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "googleurl/src/gurl.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebNotificationPresenter.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebTextDirection.h"
 
 class ContentSettingsPattern;
 class Notification;
 class NotificationDelegate;
 class NotificationUIManager;
-class PrefServiceSyncable;
+class PrefRegistrySyncable;
 class Profile;
 
 namespace content {
 class WebContents;
 struct ShowDesktopNotificationHostMsgParams;
 }
 
 namespace gfx {
 class ImageSkia;
 }
 
 // The DesktopNotificationService is an object, owned by the Profile,
 // which provides the creation of desktop "toasts" to web pages and workers.
 class DesktopNotificationService : public content::NotificationObserver,
                                    public ProfileKeyedService {
  public:
   enum DesktopNotificationSource {
     PageNotification,
     WorkerNotification
   };
 
   // Register profile-specific prefs of notifications.
-  static void RegisterUserPrefs(PrefServiceSyncable* prefs);
+  static void RegisterUserPrefs(PrefRegistrySyncable* prefs);
 
   DesktopNotificationService(Profile* profile,
                              NotificationUIManager* ui_manager);
   virtual ~DesktopNotificationService();
 
   // Requests permission (using an info-bar) for a given origin.
   // |callback_context| contains an opaque value to pass back to the
   // requesting process when the info-bar finishes.
   void RequestPermission(const GURL& origin,
                          int process_id,
@@ skipping 127 matching lines @@
   // Prefs listener for disabled_extension_id.
   StringListPrefMember disabled_extension_id_pref_;
 
   // On-memory data for the availability of extensions.
   std::set<std::string> disabled_extension_ids_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopNotificationService);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_