Introduce PrefRegistrySyncable, simplifying PrefServiceSyncable.

chrome/browser/devtools/devtools_window.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_DEVTOOLS_DEVTOOLS_WINDOW_H_
 #define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_WINDOW_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/devtools/devtools_file_helper.h"
 #include "chrome/browser/devtools/devtools_toggle_action.h"
 #include "content/public/browser/devtools_client_host.h"
 #include "content/public/browser/devtools_frontend_host_delegate.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_contents_delegate.h"
 
 class Browser;
 class BrowserWindow;
 class DevToolsControllerTest;
-class PrefServiceSyncable;
+class PrefRegistrySyncable;
 class Profile;
 
 namespace base {
 class Value;
 }
 
 namespace chrome {
 class BrowserListImpl;
 }
 
@@ skipping 13 matching lines @@
   DEVTOOLS_DOCK_SIDE_UNDOCKED = 0,
   DEVTOOLS_DOCK_SIDE_BOTTOM,
   DEVTOOLS_DOCK_SIDE_RIGHT
 };
 
 class DevToolsWindow : private content::NotificationObserver,
                        private content::WebContentsDelegate,
                        private content::DevToolsFrontendHostDelegate {
  public:
   static const char kDevToolsApp[];
-  static void RegisterUserPrefs(PrefServiceSyncable* prefs);
+  static void RegisterUserPrefs(PrefRegistrySyncable* registry);
   static DevToolsWindow* GetDockedInstanceForInspectedTab(
       content::WebContents* inspected_tab);
   static bool IsDevToolsWindow(content::RenderViewHost* window_rvh);
 
   static DevToolsWindow* OpenDevToolsWindowForWorker(
       Profile* profile,
       content::DevToolsAgentHost* worker_agent);
   static DevToolsWindow* CreateDevToolsWindowForWorker(Profile* profile);
   static DevToolsWindow* OpenDevToolsWindow(
       content::RenderViewHost* inspected_rvh);
@@ skipping 145 matching lines @@
   content::NotificationRegistrar registrar_;
   scoped_ptr<content::DevToolsClientHost> frontend_host_;
   base::WeakPtrFactory<DevToolsWindow> weak_factory_;
   scoped_ptr<DevToolsFileHelper> file_helper_;
   int width_;
   int height_;
   DISALLOW_COPY_AND_ASSIGN(DevToolsWindow);
 };
 
 #endif  // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_WINDOW_H_