gtk: Improve fullscreen RenderWidgetHostViewGtk.

chrome/renderer/render_view.h

 // Copyright (c) 2011 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_VIEW_H_
 #define CHROME_RENDERER_RENDER_VIEW_H_
 #pragma once
 
 #include <deque>
 #include <map>
@@ skipping 378 matching lines @@
       WebKit::WebFrame* creator,
       const WebKit::WebURLRequest& request,
       const WebKit::WebWindowFeatures& features,
       const WebKit::WebString& frame_name);
   virtual WebKit::WebWidget* createPopupMenu(WebKit::WebPopupType popup_type);
   virtual WebKit::WebWidget* createPopupMenu(
       const WebKit::WebPopupMenuInfo& info);
   virtual WebKit::WebExternalPopupMenu* createExternalPopupMenu(
       const WebKit::WebPopupMenuInfo& popup_menu_info,
       WebKit::WebExternalPopupMenuClient* popup_menu_client);
-  virtual WebKit::WebWidget* createFullscreenWindow(
-      WebKit::WebPopupType popup_type);
   virtual WebKit::WebStorageNamespace* createSessionStorageNamespace(
       unsigned quota);
   virtual void didAddMessageToConsole(
       const WebKit::WebConsoleMessage& message,
       const WebKit::WebString& source_name,
       unsigned source_line);
   virtual void printPage(WebKit::WebFrame* frame);
   virtual WebKit::WebNotificationPresenter* notificationPresenter();
   virtual void didStartLoading();
   virtual void didStopLoading();
@@ skipping 1043 matching lines @@
   // bunch of stuff, you should probably create a helper class and put your
   // data and methods on that to avoid bloating RenderView more.  You can use
   // the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderView);
 };
 
 #endif  // CHROME_RENDERER_RENDER_VIEW_H_