Rename {Author,UserAgent}ShadowRoot to {Open,Closed}ShadowRoot.

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 42 matching lines @@
 inline HTMLVideoElement::HTMLVideoElement(Document& document)
     : HTMLMediaElement(videoTag, document)
 {
     if (document.settings())
         m_defaultPosterURL = AtomicString(document.settings()->defaultVideoPosterURL());
 }
 
 PassRefPtrWillBeRawPtr<HTMLVideoElement> HTMLVideoElement::create(Document& document)
 {
     RefPtrWillBeRawPtr<HTMLVideoElement> video = adoptRefWillBeNoop(new HTMLVideoElement(document));
-    video->ensureUserAgentShadowRoot();
+    video->ensureClosedShadowRoot();
     video->suspendIfNeeded();
     return video.release();
 }
 
 DEFINE_TRACE(HTMLVideoElement)
 {
     visitor->trace(m_imageLoader);
     HTMLMediaElement::trace(visitor);
 }
 
@@ skipping 244 matching lines @@
 {
     return !isMediaDataCORSSameOrigin(destinationSecurityOrigin);
 }
 
 FloatSize HTMLVideoElement::sourceSize() const
 {
     return FloatSize(videoWidth(), videoHeight());
 }
 
 }