NS_NewXBLMouseMotionHandler(nsIDOMEventReceiver* aRec, nsIXBLPrototypeHandler* aHandler,
NS_NewXBLMouseMotionHandler(nsIDOMEventReceiver* aRec, nsXBLPrototypeHandler* aHandler,
NS_NewXBLMouseMotionHandler(nsIDOMEventReceiver* aRec, nsIXBLPrototypeHandler* aHandler,                             nsXBLMouseMotionHandler** aResult){  *aResult = new nsXBLMouseMotionHandler(aRec, aHandler);  if (!*aResult)    return NS_ERROR_OUT_OF_MEMORY;  NS_ADDREF(*aResult);  return NS_OK;}