return io->NewURI(NS_ConvertUTF16toUTF8(aArgument),
return io->NewURI(cargument,
nsCommandLine::ResolveURI(const nsAString& aArgument, nsIURI* *aResult){  nsresult rv;  NS_ENSURE_TRUE(mWorkingDir, NS_ERROR_NOT_INITIALIZED);  nsCOMPtr<nsIIOService> io = do_GetIOService();  NS_ENSURE_TRUE(io, NS_ERROR_OUT_OF_MEMORY);  // First, pretend it's a file  nsCOMPtr<nsIFile> file;  rv = ResolveFile(aArgument, getter_AddRefs(file));  if (NS_SUCCEEDED(rv)) {    return io->NewFileURI(file, aResult);  }  nsCOMPtr<nsIURI> workingDirURI;  rv = io->NewFileURI(mWorkingDir, getter_AddRefs(workingDirURI));  NS_ENSURE_SUCCESS(rv, rv);  return io->NewURI(NS_ConvertUTF16toUTF8(aArgument),                    nsnull,                    workingDirURI,                    aResult);}