Add fullscreen support to Pepper.

chrome/renderer/render_widget_fullscreen.h

 // Copyright (c) 2010 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_RENDERER_RENDER_WIDGET_FULLSCREEN_H_
 #define CHROME_RENDERER_RENDER_WIDGET_FULLSCREEN_H_
 
 #include "chrome/renderer/render_widget.h"
 
 #include "third_party/WebKit/WebKit/chromium/public/WebWidget.h"
 
 // TODO(boliu): Override non-supported methods with no-op? eg setWindowRect().
 class RenderWidgetFullscreen : public RenderWidget {
  public:
   // Creates a new RenderWidget.  The opener_id is the routing ID of the
   // RenderView that this widget lives inside. The render_thread is any
   // RenderThreadBase implementation, mostly commonly RenderThread::current().
   static RenderWidgetFullscreen* Create(int32 opener_id,
                                         RenderThreadBase* render_thread,
                                         WebKit::WebPopupType popup_type);
 
-  static WebKit::WebWidget* CreateWebWidget(
-      RenderWidgetFullscreen* render_widget);
-
   virtual void show(WebKit::WebNavigationPolicy);
 
  protected:
+  virtual WebKit::WebWidget* CreateWebWidget();
   RenderWidgetFullscreen(RenderThreadBase* render_thread,
                          WebKit::WebPopupType popup_type);
 
   void Init(int32 opener_id);
 };
 
 #endif  // CHROME_RENDERER_RENDER_WIDGET_FULLSCREEN_H_