Merge 124282 - REGRESSION(r120979): Node list returned by getElementsByTagNameNS isn't invalidated …

Source/WebCore/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 2240 matching lines @@
         if (!attrName || it->second->shouldInvalidateOnAttributeChange())
             it->second->invalidateCache();
     }
 
     NodeListNameCacheMap::const_iterator nameCacheEnd = m_nameCaches.end();
     for (NodeListNameCacheMap::const_iterator it = m_nameCaches.begin(); it != nameCacheEnd; ++it) {
         if (!attrName || it->second->shouldInvalidateOnAttributeChange())
             it->second->invalidateCache();
     }
 
-    if (!attrName)
+    if (attrName)
         return;
 
     TagNodeListCacheNS::iterator tagCacheEnd = m_tagNodeListCacheNS.end();
     for (TagNodeListCacheNS::iterator it = m_tagNodeListCacheNS.begin(); it != tagCacheEnd; ++it)
         it->second->invalidateCache();
 }
 
 void Node::getSubresourceURLs(ListHashSet<KURL>& urls) const
 {
     addSubresourceAttributeURLs(urls);
@@ skipping 529 matching lines @@
         node->showTreeForThis();
 }
 
 void showNodePath(const WebCore::Node* node)
 {
     if (node)
         node->showNodePathForThis();
 }
 
 #endif