| Index: Source/core/dom/LiveNodeList.cpp | 
| diff --git a/Source/core/dom/LiveNodeList.cpp b/Source/core/dom/LiveNodeList.cpp | 
| index 08d9d86b82f384a48cdadda44e60c1f85896c474..1f51dcf09b098169db36dea823059ae1a42a1c06 100644 | 
| --- a/Source/core/dom/LiveNodeList.cpp | 
| +++ b/Source/core/dom/LiveNodeList.cpp | 
| @@ -35,13 +35,20 @@ ContainerNode& LiveNodeListBase::rootNode() const | 
| return *m_ownerNode; | 
| } | 
|  | 
| +void LiveNodeListBase::didMoveToDocument(Document& oldDocument, Document& newDocument) | 
| +{ | 
| +    invalidateCache(&oldDocument); | 
| +    oldDocument.unregisterNodeList(this); | 
| +    newDocument.registerNodeList(this); | 
| +} | 
| + | 
| void LiveNodeListBase::invalidateIdNameCacheMaps() const | 
| { | 
| ASSERT(hasIdNameCache()); | 
| static_cast<const HTMLCollection*>(this)->invalidateIdNameCacheMaps(); | 
| } | 
|  | 
| -void LiveNodeList::invalidateCache() const | 
| +void LiveNodeList::invalidateCache(Document*) const | 
| { | 
| m_collectionIndexCache.invalidate(); | 
| } | 
|  |