return it->QueryInterface(kICSSParserIID, (void **) aInstancePtrResult);
return it->QueryInterface(NS_GET_IID(nsICSSParser), (void **) aInstancePtrResult);
NS_NewCSSParser(nsICSSParser** aInstancePtrResult){  CSSParserImpl *it = new CSSParserImpl();  if (it == nsnull) {    return NS_ERROR_OUT_OF_MEMORY;  }  return it->QueryInterface(kICSSParserIID, (void **) aInstancePtrResult);}