Eliminate MediaPlayer abstraction(seek, duration, poster APIs)

Source/core/html/HTMLVideoElement.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 105 matching lines @@
         updateDisplayState();
         if (shouldDisplayPosterImage()) {
             if (!m_imageLoader)
                 m_imageLoader = HTMLImageLoader::create(this);
             m_imageLoader->updateFromElement(ImageLoader::UpdateIgnorePreviousError);
         } else {
             if (renderer())
                 toRenderImage(renderer())->imageResource()->setImageResource(0);
         }
         // Notify the player when the poster image URL changes.
-        if (player())
-            player()->setPoster(posterImageURL());
+        if (webMediaPlayer())
+            webMediaPlayer()->setPoster(posterImageURL());
     } else
         HTMLMediaElement::parseAttribute(name, value);
 }
 
 bool HTMLVideoElement::supportsFullscreen() const
 {
     if (!document().page())
         return false;
 
     if (!player())
@@ skipping 169 matching lines @@
 {
     return !hasSingleSecurityOrigin() || (!(webMediaPlayer() && webMediaPlayer()->didPassCORSAccessCheck()) && destinationSecurityOrigin->taintsCanvas(currentSrc()));
 }
 
 FloatSize HTMLVideoElement::sourceSize() const
 {
     return FloatSize(videoWidth(), videoHeight());
 }
 
 }