nsIWebShell* aWebShell)
nsISupports* aContainer)
NS_NewXBLContentSink(nsIXMLContentSink** aResult,                     nsIDocument* aDoc,                     nsIURI* aURL,                     nsIWebShell* aWebShell){  NS_ENSURE_ARG_POINTER(aResult);  nsXBLContentSink* it;  NS_NEWXPCOM(it, nsXBLContentSink);  NS_ENSURE_TRUE(it, NS_ERROR_OUT_OF_MEMORY);  nsCOMPtr<nsIXMLContentSink> kungFuDeathGrip = it;  nsresult rv = it->Init(aDoc, aURL, aWebShell);  NS_ENSURE_SUCCESS(rv, rv);  return CallQueryInterface(it, aResult);}