ToLowerCase( nsAWritableCString& aCString )
ToLowerCase( nsACString& aCString )
ToLowerCase( nsAWritableCString& aCString )  {    nsAWritableCString::iterator fromBegin, fromEnd;    ConvertToLowerCase<char> converter;    copy_string(aCString.BeginWriting(fromBegin), aCString.EndWriting(fromEnd), converter);  }