Reset mode on ancestors when a fullscreen node is removed.

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 1353 matching lines @@
 
     return InsertionDone;
 }
 
 void Element::removedFrom(ContainerNode* insertionPoint)
 {
     bool wasInDocument = insertionPoint->inDocument();
 
     ASSERT(!hasRareData() || !elementRareData()->hasPseudoElements());
 
-    if (containsFullScreenElement())
+    if (Fullscreen::isActiveFullScreenElement(*this)) {
         setContainsFullScreenElementOnAncestorsCrossingFrameBoundaries(false);
+        if (insertionPoint->isElementNode()) {
+            toElement(insertionPoint)->setContainsFullScreenElement(false);
+            toElement(insertionPoint)->setContainsFullScreenElementOnAncestorsCrossingFrameBoundaries(false);
+        }
+    }
 
     if (Fullscreen* fullscreen = Fullscreen::fromIfExists(document()))
         fullscreen->elementRemoved(*this);
 
     if (document().page())
         document().page()->pointerLockController().elementRemoved(this);
 
     setSavedLayerScrollOffset(IntSize());
 
     if (insertionPoint->isInTreeScope() && treeScope() == document()) {
@@ skipping 2018 matching lines @@
         return wrapper;
 
     CustomElementBinding* binding = perContextData->customElementBinding(customElementDefinition());
 
     wrapper->SetPrototype(binding->prototype());
 
     return V8DOMWrapper::associateObjectWithWrapper(isolate, this, wrapperType, wrapper);
 }
 
 } // namespace blink