it->Init(aEncoding); return it->QueryInterface(NS_GET_IID(nsICSSCharsetRule), (void **) aInstancePtrResult);
return CallQueryInterface(it, aInstancePtrResult);
NS_NewCSSCharsetRule(nsICSSCharsetRule** aInstancePtrResult, const nsString& aEncoding){  if (! aInstancePtrResult) {    return NS_ERROR_NULL_POINTER;  }  CSSCharsetRuleImpl* it = new CSSCharsetRuleImpl();  if (! it) {    return NS_ERROR_OUT_OF_MEMORY;  }  it->Init(aEncoding);  return it->QueryInterface(NS_GET_IID(nsICSSCharsetRule), (void **) aInstancePtrResult);}