Remove various Heap* types.

sky/engine/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 43 matching lines @@
         m_defaultPosterURL = AtomicString(document.settings()->defaultVideoPosterURL());
 }
 
 PassRefPtr<HTMLVideoElement> HTMLVideoElement::create(Document& document)
 {
     RefPtr<HTMLVideoElement> video = adoptRef(new HTMLVideoElement(document));
     video->suspendIfNeeded();
     return video.release();
 }
 
-void HTMLVideoElement::trace(Visitor* visitor)
-{
-    visitor->trace(m_imageLoader);
-    HTMLMediaElement::trace(visitor);
-}
-
 bool HTMLVideoElement::rendererIsNeeded(const RenderStyle& style)
 {
     return HTMLElement::rendererIsNeeded(style);
 }
 
 RenderObject* HTMLVideoElement::createRenderer(RenderStyle*)
 {
     return new RenderVideo(this);
 }
 
@@ skipping 155 matching lines @@
     *status = NormalSourceImageStatus;
     return imageBuffer->copyImage(mode == CopySourceImageIfVolatile ? CopyBackingStore : DontCopyBackingStore, Unscaled);
 }
 
 FloatSize HTMLVideoElement::sourceSize() const
 {
     return FloatSize(videoWidth(), videoHeight());
 }
 
 }