if (!gParsers->AppendObject(aParser)) {
if (!mParsers.AppendObject(aParser)) {
CSSLoaderImpl::RecycleParser(nsICSSParser* aParser){  NS_PRECONDITION(aParser, "Recycle only good parsers, please");  NS_ENSURE_TRUE(gParsers, NS_ERROR_UNEXPECTED);  if (!gParsers->AppendObject(aParser)) {    return NS_ERROR_FAILURE;  }    return NS_OK;}