return it->QueryInterface(NS_GET_IID(nsICSSImportRule), (void **) aInstancePtrResult);
return CallQueryInterface(it, aInstancePtrResult);
NS_NewCSSImportRule(nsICSSImportRule** aInstancePtrResult,                     const nsString& aURLSpec,                    const nsString& aMedia){  NS_ENSURE_ARG_POINTER(aInstancePtrResult);  CSSImportRuleImpl* it = new CSSImportRuleImpl();  if (! it) {    return NS_ERROR_OUT_OF_MEMORY;  }  it->SetURLSpec(aURLSpec);  it->SetMedia(aMedia);  return it->QueryInterface(NS_GET_IID(nsICSSImportRule), (void **) aInstancePtrResult);}