nsCOMPtr<nsINameSpaceManager> nsmgr; rv = NS_NewNameSpaceManager(getter_AddRefs(nsmgr)); NS_ENSURE_SUCCESS(rv, rv);  return mNodeInfoManager->Init(nsnull, nsmgr);
return mNodeInfoManager->Init(nsnull);
nsresult nsHTMLFragmentContentSink::Init(){  nsresult rv = NS_NewNodeInfoManager(getter_AddRefs(mNodeInfoManager));  NS_ENSURE_SUCCESS(rv, rv);  nsCOMPtr<nsINameSpaceManager> nsmgr;  rv = NS_NewNameSpaceManager(getter_AddRefs(nsmgr));  NS_ENSURE_SUCCESS(rv, rv);  return mNodeInfoManager->Init(nsnull, nsmgr);}