Introduce PrefRegistrySyncable, simplifying PrefServiceSyncable.

chrome/browser/ui/webui/ntp/app_launcher_handler.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_UI_WEBUI_NTP_APP_LAUNCHER_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_NTP_APP_LAUNCHER_HANDLER_H_
 
 #include <set>
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/public/pref_change_registrar.h"
 #include "chrome/browser/extensions/extension_uninstall_dialog.h"
 #include "chrome/browser/favicon/favicon_service.h"
 #include "chrome/browser/ui/extensions/extension_enable_flow_delegate.h"
 #include "chrome/common/cancelable_task_tracker.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_ui_message_handler.h"
 #include "sync/api/string_ordinal.h"
 
 class ExtensionEnableFlow;
 class ExtensionService;
 class PrefChangeRegistrar;
-class PrefServiceSyncable;
+class PrefRegistrySyncable;
 class Profile;
 
 namespace extensions {
 class AppNotification;
 }
 
 // The handler for Javascript messages related to the "apps" view.
 class AppLauncherHandler : public content::WebUIMessageHandler,
                            public ExtensionUninstallDialog::Delegate,
                            public ExtensionEnableFlowDelegate,
@@ skipping 60 matching lines @@
   // action for UMA.
   void HandleRecordAppLaunchByUrl(const base::ListValue* args);
 
   // Callback for "closeNotification" message.
   void HandleNotificationClose(const base::ListValue* args);
 
   // Callback for "setNotificationsDisabled" message.
   void HandleSetNotificationsDisabled(const base::ListValue* args);
 
   // Register app launcher preferences.
-  static void RegisterUserPrefs(PrefServiceSyncable* pref_service);
+  static void RegisterUserPrefs(PrefRegistrySyncable* registry);
 
   // Records the given type of app launch for UMA.
   static void RecordAppLaunchType(extension_misc::AppLaunchBucket bucket);
 
  private:
   struct AppInstallInfo {
     AppInstallInfo();
     ~AppInstallInfo();
 
     bool is_bookmark_app;
@@ skipping 82 matching lines @@
   // when the app is added to the page (via getAppsCallback or appAdded).
   std::string highlight_app_id_;
 
   // Used for favicon loading tasks.
   CancelableTaskTracker cancelable_task_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(AppLauncherHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_NTP_APP_LAUNCHER_HANDLER_H_