Kill NodeListNameCacheMap cache in NodeListsNodeData

Source/core/dom/NodeRareData.cpp

Index: Source/core/dom/NodeRareData.cpp
diff --git a/Source/core/dom/NodeRareData.cpp b/Source/core/dom/NodeRareData.cpp
index bbd863e8c68dd43aea889b838647899689b3a949..82717cb2afe01dc784acaa3294f96439ec904065 100644
--- a/Source/core/dom/NodeRareData.cpp
+++ b/Source/core/dom/NodeRareData.cpp
@@ -40,4 +40,19 @@ struct SameSizeAsNodeRareData {
 
 COMPILE_ASSERT(sizeof(NodeRareData) == sizeof(SameSizeAsNodeRareData), NodeRareDataShouldStaySmall);
 
+void NodeListsNodeData::invalidateCaches(const QualifiedName* attrName)
+{
+    NodeListAtomicNameCacheMap::const_iterator atomicNameCacheEnd = m_atomicNameCaches.end();
+    for (NodeListAtomicNameCacheMap::const_iterator it = m_atomicNameCaches.begin(); it != atomicNameCacheEnd; ++it)
+        it->value->invalidateCache(attrName);
+
+    if (attrName)
+        return;
+
+    TagCollectionCacheNS::iterator tagCacheEnd = m_tagCollectionCacheNS.end();
+    for (TagCollectionCacheNS::iterator it = m_tagCollectionCacheNS.begin(); it != tagCacheEnd; ++it)
+        it->value->invalidateCache();
+}
+
+
 } // namespace WebCore