Sync fullscreen element removal with the spec

Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1261 matching lines @@
 
 void Element::removedFrom(ContainerNode* insertionPoint)
 {
     bool wasInDocument = insertionPoint->inDocument();
 
     ASSERT(!hasRareData() || !elementRareData()->hasPseudoElements());
 
     if (containsFullScreenElement())
         setContainsFullScreenElementOnAncestorsCrossingFrameBoundaries(false);
 
+    if (FullscreenElementStack* fullscreen = FullscreenElementStack::fromIfExists(document()))
+        fullscreen->elementRemoved(*this);
+
     if (document().page())
         document().page()->pointerLockController().elementRemoved(this);
 
     setSavedLayerScrollOffset(IntSize());
 
     if (insertionPoint->isInTreeScope() && treeScope() == document()) {
         const AtomicString& idValue = getIdAttribute();
         if (!idValue.isNull())
             updateId(insertionPoint->treeScope(), idValue, nullAtom);
 
@@ skipping 1953 matching lines @@
 {
 #if ENABLE(OILPAN)
     if (hasRareData())
         visitor->trace(elementRareData());
     visitor->trace(m_elementData);
 #endif
     ContainerNode::trace(visitor);
 }
 
 } // namespace blink