Introduce FullscreenElementStack::fullyExitFullscreen()

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 3454 matching lines @@
 {
     WTF_LOG(Media, "HTMLMediaElement::enterFullscreen");
 
     FullscreenElementStack::from(document()).requestFullScreenForElement(*this, FullscreenElementStack::PrefixedVideoRequest);
 }
 
 void HTMLMediaElement::exitFullscreen()
 {
     WTF_LOG(Media, "HTMLMediaElement::exitFullscreen");
 
-    FullscreenElementStack::from(document()).webkitCancelFullScreen();
+    FullscreenElementStack::from(document()).fullyExitFullscreen();
 }
 
 void HTMLMediaElement::didBecomeFullscreenElement()
 {
     if (hasMediaControls())
         mediaControls()->enteredFullscreen();
     if (RuntimeEnabledFeatures::overlayFullscreenVideoEnabled() && isHTMLVideoElement(*this))
         document().renderView()->compositor()->setNeedsCompositingUpdate(CompositingUpdateRebuildTree);
 }
 
@@ skipping 481 matching lines @@
 
 #if ENABLE(WEB_AUDIO)
 void HTMLMediaElement::clearWeakMembers(Visitor* visitor)
 {
     if (!visitor->isAlive(m_audioSourceNode) && audioSourceProvider())
         audioSourceProvider()->setClient(0);
 }
 #endif
 
 }