Upgrade parser-created Custom Elements in creation order.

Source/core/dom/Element.h

 /*
  * 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)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2013 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 336 matching lines @@
     void setChildrenAffectedByLastChildRules();
     void setChildrenAffectedByDirectAdjacentRules();
     void setChildrenAffectedByForwardPositionalRules();
     void setChildrenAffectedByBackwardPositionalRules();
     void setChildIndex(unsigned);
 
     void setIsInCanvasSubtree(bool);
     bool isInCanvasSubtree() const;
 
     bool isUpgradedCustomElement() { return customElementState() == Upgraded; }
-    bool isUnresolvedCustomElement() { return isCustomElement() && !isUpgradedCustomElement(); }
+    bool isUnresolvedCustomElement() { return customElementState() == WaitingForUpgrade; }
 
     void setIsInsideRegion(bool);
     bool isInsideRegion() const;
 
     void setRegionOversetState(RegionOversetState);
     RegionOversetState regionOversetState() const;
 
     AtomicString computeInheritedLanguage() const;
     Locale& locale() const;
 
@@ skipping 518 matching lines @@
 }
 
 inline bool isShadowHost(const Element* element)
 {
     return element && element->shadow();
 }
 
 } // namespace
 
 #endif