gtk: Improve fullscreen RenderWidgetHostViewGtk.

chrome/browser/renderer_host/render_message_filter.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_BROWSER_RENDERER_HOST_RENDER_MESSAGE_FILTER_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_MESSAGE_FILTER_H_
 #pragma once
 
 #if defined(OS_WIN)
 #include <windows.h>
@@ skipping 83 matching lines @@
   friend class DeleteTask<RenderMessageFilter>;
 
   virtual ~RenderMessageFilter();
 
   void OnMsgCreateWindow(const ViewHostMsg_CreateWindow_Params& params,
                          int* route_id,
                          int64* cloned_session_storage_namespace_id);
   void OnMsgCreateWidget(int opener_id,
                          WebKit::WebPopupType popup_type,
                          int* route_id);
-  void OnMsgCreateFullscreenWidget(int opener_id,
-                                   WebKit::WebPopupType popup_type,
-                                   int* route_id);
+  void OnMsgCreateFullscreenWidget(int opener_id, int* route_id);
   void OnSetCookie(const IPC::Message& message,
                    const GURL& url,
                    const GURL& first_party_for_cookies,
                    const std::string& cookie);
   void OnGetCookies(const GURL& url,
                     const GURL& first_party_for_cookies,
                     IPC::Message* reply_msg);
   void OnGetRawCookies(const GURL& url,
                        const GURL& first_party_for_cookies,
                        IPC::Message* reply_msg);
@@ skipping 378 matching lines @@
   virtual ~CookiesEnabledCompletion();
 
   virtual void RunWithParams(const Tuple1<int>& params);
 
  private:
   IPC::Message* reply_msg_;
   scoped_refptr<RenderMessageFilter> filter_;
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_MESSAGE_FILTER_H_