Remove <video> width and height attributes from intrisic size logic

Source/core/rendering/RenderVideo.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 89 matching lines @@
     MediaPlayer* player = mediaElement()->player();
     if (player && video->readyState() >= HTMLVideoElement::HAVE_METADATA) {
         LayoutSize size = player->naturalSize();
         if (!size.isEmpty())
             return size;
     }
 
     if (video->shouldDisplayPosterImage() && !m_cachedImageSize.isEmpty() && !imageResource()->errorOccurred())
         return m_cachedImageSize;
 
-    // When the natural size of the video is unavailable, we use the provided
-    // width and height attributes of the video element as the intrinsic size until
-    // better values become available.
-    if (video->hasAttribute(widthAttr) && video->hasAttribute(heightAttr))
-        return LayoutSize(video->width(), video->height());
-
     // <video> in standalone media documents should not use the default 300x150
     // size since they also have audio-only files. By setting the intrinsic
     // size to 300x1 the video will resize itself in these cases, and audio will
     // have the correct height (it needs to be > 0 for controls to render properly).
     if (video->ownerDocument() && video->ownerDocument()->isMediaDocument())
         return LayoutSize(defaultSize().width(), 1);
 
     return defaultSize();
 }
 
@@ skipping 149 matching lines @@
 }
 
 LayoutUnit RenderVideo::offsetHeight() const
 {
     if (const RenderBlock* block = rendererPlaceholder(this))
         return block->offsetHeight();
     return RenderMedia::offsetHeight();
 }
 
 } // namespace WebCore