Introduce PrefRegistrySyncable, simplifying PrefServiceSyncable.

chrome/browser/ui/webui/extensions/extension_settings_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_EXTENSIONS_EXTENSION_SETTINGS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_EXTENSIONS_EXTENSION_SETTINGS_HANDLER_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 10 matching lines @@
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_ui_message_handler.h"
 #include "googleurl/src/gurl.h"
 #include "ui/shell_dialogs/select_file_dialog.h"
 
 class ExtensionService;
-class PrefServiceSyncable;
+class PrefRegistrySyncable;
 
 namespace base {
 class DictionaryValue;
 class FilePath;
 class ListValue;
 }
 
 namespace content {
 class WebUIDataSource;
 }
@@ skipping 26 matching lines @@
       public content::WebContentsObserver,
       public ui::SelectFileDialog::Listener,
       public ExtensionInstallPrompt::Delegate,
       public ExtensionUninstallDialog::Delegate,
       public extensions::ExtensionWarningService::Observer,
       public base::SupportsWeakPtr<ExtensionSettingsHandler> {
  public:
   ExtensionSettingsHandler();
   virtual ~ExtensionSettingsHandler();
 
-  static void RegisterUserPrefs(PrefServiceSyncable* prefs);
+  static void RegisterUserPrefs(PrefRegistrySyncable* registry);
 
   // Extension Detail JSON Struct for page. |pages| is injected for unit
   // testing.
   // Note: |warning_service| can be NULL in unit tests.
   base::DictionaryValue* CreateExtensionDetailValue(
       const extensions::Extension* extension,
       const std::vector<ExtensionPage>& pages,
       const extensions::ExtensionWarningService* warning_service);
 
   void GetLocalizedValues(content::WebUIDataSource* source);
@@ skipping 169 matching lines @@
   scoped_ptr<ExtensionInstallPrompt> prompt_;
 
   ScopedObserver<extensions::ExtensionWarningService,
                  extensions::ExtensionWarningService::Observer>
       warning_service_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionSettingsHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_EXTENSIONS_EXTENSION_SETTINGS_HANDLER_H_