Remove WebTestProxy override of WebFrameClient::createMediaPlayer().

Tools/DumpRenderTree/chromium/TestRunner/src/WebTestProxy.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 1041 matching lines @@
     m_testInterfaces->eventSender()->setContextMenuData(contextMenuData);
 }
 
 WebUserMediaClient* WebTestProxyBase::userMediaClient()
 {
     if (!m_userMediaClient.get())
         m_userMediaClient.reset(new WebUserMediaClientMock(m_delegate));
     return m_userMediaClient.get();
 }
 
-WebMediaPlayer* WebTestProxyBase::createMediaPlayer(WebFrame* frame, const WebURL& url, WebMediaPlayerClient* client)
-{
-    return m_delegate->createWebMediaPlayer(frame, url, client);
-}
-
 // Simulate a print by going into print mode and then exit straight away.
 void WebTestProxyBase::printPage(WebFrame* frame)
 {
     WebSize pageSizeInPixels = webWidget()->size();
     WebPrintParams printParams(pageSizeInPixels);
     frame->printBegin(printParams);
     frame->printEnd();
 }
 
 WebNotificationPresenter* WebTestProxyBase::notificationPresenter()
@@ skipping 476 matching lines @@
 
 void WebTestProxyBase::resetInputMethod()
 {
     // If a composition text exists, then we need to let the browser process
     // to cancel the input method's ongoing composition session.
     if (m_webWidget)
         m_webWidget->confirmComposition();
 }
 
 }