Introduce PrefRegistrySyncable, simplifying PrefServiceSyncable.

chrome/browser/ui/gtk/browser_window_gtk.h

 // Copyright 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_GTK_BROWSER_WINDOW_GTK_H_
 #define CHROME_BROWSER_UI_GTK_BROWSER_WINDOW_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include <string>
@@ skipping 22 matching lines @@
 class BrowserToolbarGtk;
 class DevToolsWindow;
 class DownloadShelfGtk;
 class ExtensionKeybindingRegistryGtk;
 class FindBarGtk;
 class FullscreenExitBubbleGtk;
 class GlobalMenuBar;
 class InfoBarContainerGtk;
 class InstantPreviewControllerGtk;
 class LocationBar;
-class PrefServiceSyncable;
+class PrefRegistrySyncable;
+class PrefService;
 class StatusBubbleGtk;
 class TabContentsContainerGtk;
 class TabStripGtk;
 
 namespace autofill {
 class PasswordGenerator;
 }
 
 namespace extensions {
 class ActiveTabPermissionGranter;
@@ skipping 186 matching lines @@
 
   GtkWidget* titlebar_widget() const;
 
   BrowserToolbarGtk* GetToolbar() { return toolbar_.get(); }
 
   gfx::Rect bounds() const { return bounds_; }
 
   // Returns the tab we're currently displaying in the tab contents container.
   content::WebContents* GetDisplayedTab();
 
-  static void RegisterUserPrefs(PrefServiceSyncable* prefs);
+  static void RegisterUserPrefs(PrefService* prefs,
+                                PrefRegistrySyncable* registry);
 
   // Tells GTK that the toolbar area is invalidated and needs redrawing. We
   // have this method as a hack because GTK doesn't queue the toolbar area for
   // redraw when it should.
   void QueueToolbarRedraw();
 
   // Get the position where the infobar arrow should be anchored in
   // |relative_to| coordinates. This is the middle of the omnibox location icon.
   int GetXPositionOfLocationIcon(GtkWidget* relative_to);
 
@@ skipping 308 matching lines @@
   scoped_ptr<FullscreenExitBubbleGtk> fullscreen_exit_bubble_;
 
   FullscreenExitBubbleType fullscreen_exit_bubble_type_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserWindowGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_BROWSER_WINDOW_GTK_H_