NS_MakeAbsoluteURI(char* *result, const char* spec, nsIURI* baseURI = nsnull,
NS_MakeAbsoluteURI(nsAWritableString& result, const nsAReadableString& spec, nsIURI* baseURI = nsnull,
NS_MakeAbsoluteURI(char* *result,                   const char* spec,                    nsIURI* baseURI = nsnull,                    nsIIOService* ioService = nsnull)     // pass in nsIIOService to optimize callers{    NS_ASSERTION(baseURI, "It doesn't make sense to not supply a base URI");     if (spec == nsnull)        return baseURI->GetSpec(result);        return baseURI->Resolve(spec, result);}