Fix isEqualNode behavior

third_party/WebKit/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 1103 matching lines @@
 
 bool Node::isEqualNode(Node* other) const
 {
     if (!other)
         return false;
 
     NodeType nodeType = this->getNodeType();
     if (nodeType != other->getNodeType())
         return false;
 
-    if (nodeName() != other->nodeName())
-        return false;
-
     if (nodeValue() != other->nodeValue())
         return false;
 
     if (isAttributeNode()) {
         if (toAttr(this)->localName() != toAttr(other)->localName())
             return false;
 
         if (toAttr(this)->namespaceURI() != toAttr(other)->namespaceURI())
             return false;
     } else if (isElementNode()) {
-        if (toElement(this)->localName() != toElement(other)->localName())
-            return false;
-
-        if (toElement(this)->namespaceURI() != toElement(other)->namespaceURI())
+        if (toElement(this)->tagQName() != toElement(other)->tagQName())
             return false;
 
         if (!toElement(this)->hasEquivalentAttributes(toElement(other)))
             return false;
+    } else if (nodeName() != other->nodeName()) {
+        return false;
     }
 
     Node* child = firstChild();
     Node* otherChild = other->firstChild();
 
     while (child) {
         if (!child->isEqualNode(otherChild))
             return false;
 
         child = child->nextSibling();
@@ skipping 1286 matching lines @@
 
 void showNodePath(const blink::Node* node)
 {
     if (node)
         node->showNodePathForThis();
     else
         fprintf(stderr, "Cannot showNodePath for (nil)\n");
 }
 
 #endif