Process Custom Elements in post-order.

Source/core/dom/Node.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 2714 matching lines @@
 
 void Node::setCustomElementState(CustomElementState newState)
 {
     CustomElementState oldState = customElementState();
 
     switch (newState) {
     case NotCustomElement:
         ASSERT_NOT_REACHED(); // Everything starts in this state
         return;
 
-    case WaitingForUpgrade:
+    case WaitingForParser:
         ASSERT(NotCustomElement == oldState);
         break;
 
+    case WaitingForUpgrade:
+        ASSERT(NotCustomElement == oldState || WaitingForParser == oldState);
+        break;
+
     case Upgraded:
-        ASSERT(WaitingForUpgrade == oldState);
+        ASSERT(WaitingForParser == oldState || WaitingForUpgrade == oldState);
         break;
     }
 
     ASSERT(isHTMLElement() || isSVGElement());
-    setFlag(newState & 1, CustomElementWaitingForUpgrade);
-    setFlag(newState & 2, CustomElementIsUpgraded);
+    setFlag(newState & 1, CustomElementWaitingForParserOrIsUpgraded);
+    setFlag(newState & 2, CustomElementWaitingForUpgradeOrIsUpgraded);
 
     if (oldState == NotCustomElement || newState == Upgraded)
         setNeedsStyleRecalc(); // :unresolved has changed
 }
 
 } // namespace WebCore
 
 #ifndef NDEBUG
 
 void showTree(const WebCore::Node* node)
 {
     if (node)
         node->showTreeForThis();
 }
 
 void showNodePath(const WebCore::Node* node)
 {
     if (node)
         node->showNodePathForThis();
 }
 
 #endif