return it->QueryInterface(NS_GET_IID(nsICSSNameSpaceRule), (void **) aInstancePtrResult);
return CallQueryInterface(it, aInstancePtrResult);
NS_NewCSSNameSpaceRule(nsICSSNameSpaceRule** aInstancePtrResult,                        nsIAtom* aPrefix, const nsString& aURLSpec){  if (! aInstancePtrResult) {    return NS_ERROR_NULL_POINTER;  }  CSSNameSpaceRuleImpl* it = new CSSNameSpaceRuleImpl();  if (! it) {    return NS_ERROR_OUT_OF_MEMORY;  }  it->SetPrefix(aPrefix);  it->SetURLSpec(aURLSpec);  return it->QueryInterface(NS_GET_IID(nsICSSNameSpaceRule), (void **) aInstancePtrResult);}