Do not reset controls upon removing media element from the DOM.

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 579 matching lines @@
 
 void HTMLMediaElement::didNotifySubtreeInsertionsToDocument()
 {
     configureMediaControls();
 }
 
 void HTMLMediaElement::removedFrom(ContainerNode* insertionPoint)
 {
     WTF_LOG(Media, "HTMLMediaElement::removedFrom(%p, %p)", this, insertionPoint);
 
+    HTMLElement::removedFrom(insertionPoint);
     if (insertionPoint->inActiveDocument()) {
         configureMediaControls();
         if (m_networkState > NETWORK_EMPTY)
             pause();
     }
-
-    HTMLElement::removedFrom(insertionPoint);
 }
 
 void HTMLMediaElement::attach(const AttachContext& context)
 {
     HTMLElement::attach(context);
 
     if (renderer())
         renderer()->updateFromElement();
 }
 
@@ skipping 2979 matching lines @@
 
 #if ENABLE(WEB_AUDIO)
 void HTMLMediaElement::clearWeakMembers(Visitor* visitor)
 {
     if (!visitor->isAlive(m_audioSourceNode) && audioSourceProvider())
         audioSourceProvider()->setClient(nullptr);
 }
 #endif
 
 }