1 files changed, 14 insertions, 2 deletions
diff --git a/Source/WebCore/dom/NodeRareData.h b/Source/WebCore/dom/NodeRareData.h
index ac05d3e..7bbd0c1 100644
--- a/Source/WebCore/dom/NodeRareData.h
+++ b/Source/WebCore/dom/NodeRareData.h
@@ -49,10 +49,13 @@ public:
 
     typedef HashMap<String, NameNodeList*> NameNodeListCache;
     NameNodeListCache m_nameNodeListCache;
-    
-    typedef HashMap<RefPtr<QualifiedName::QualifiedNameImpl>, TagNodeList*> TagNodeListCache;
+
+    typedef HashMap<AtomicStringImpl*, TagNodeList*> TagNodeListCache;
     TagNodeListCache m_tagNodeListCache;
 
+    typedef HashMap<RefPtr<QualifiedName::QualifiedNameImpl>, TagNodeListNS*> TagNodeListCacheNS;
+    TagNodeListCacheNS m_tagNodeListCacheNS;
+
     RefPtr<DynamicNodeList> m_labelsNodeListCache;
     
     static PassOwnPtr<NodeListsNodeData> create()
@@ -106,6 +109,15 @@ public:
     void clearNodeLists() { m_nodeLists.clear(); }
     void setNodeLists(PassOwnPtr<NodeListsNodeData> lists) { m_nodeLists = lists; }
     NodeListsNodeData* nodeLists() const { return m_nodeLists.get(); }
+    NodeListsNodeData* ensureNodeLists(Node* n)
+    {
+        if (!m_nodeLists) {
+            m_nodeLists = NodeListsNodeData::create();
+            if (n->document())
+                n->document()->addNodeListCache();
+        }
+        return m_nodeLists.get();
+    }
 
     short tabIndex() const { return m_tabIndex; }
     void setTabIndexExplicitly(short index) { m_tabIndex = index; m_tabIndexWasSetExplicitly = true; }