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

Source/core/html/HTMLMediaElement.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 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 3277 matching lines @@
     m_shouldDelayLoadEvent = shouldDelay;
     if (shouldDelay)
         document().incrementLoadEventDelayCount();
     else
         document().decrementLoadEventDelayCount();
 }
 
 
 MediaControls* HTMLMediaElement::mediaControls() const
 {
-    return toMediaControls(userAgentShadowRoot()->firstChild());
+    return toMediaControls(closedShadowRoot()->firstChild());
 }
 
 bool HTMLMediaElement::hasMediaControls() const
 {
-    if (ShadowRoot* userAgent = userAgentShadowRoot()) {
+    if (ShadowRoot* userAgent = closedShadowRoot()) {
         Node* node = userAgent->firstChild();
         ASSERT_WITH_SECURITY_IMPLICATION(!node || node->isMediaControls());
         return node;
     }
 
     return false;
 }
 
 void HTMLMediaElement::ensureMediaControls()
 {
     if (hasMediaControls())
         return;
 
     RefPtrWillBeRawPtr<MediaControls> mediaControls = MediaControls::create(*this);
 
     mediaControls->reset();
     if (isFullscreen())
         mediaControls->enteredFullscreen();
 
-    ensureUserAgentShadowRoot().appendChild(mediaControls);
+    ensureClosedShadowRoot().appendChild(mediaControls);
 
     if (!shouldShowControls() || !inDocument())
         mediaControls->hide();
 }
 
 void HTMLMediaElement::configureMediaControls()
 {
     if (!inDocument()) {
         if (hasMediaControls())
             mediaControls()->hide();
@@ skipping 298 matching lines @@
 
 #if ENABLE(WEB_AUDIO)
 void HTMLMediaElement::clearWeakMembers(Visitor* visitor)
 {
     if (!visitor->isAlive(m_audioSourceNode) && audioSourceProvider())
         audioSourceProvider()->setClient(nullptr);
 }
 #endif
 
 }