anchor.diff:            new RequestImpl(method, uri, headers, bodyController.stream));
       }
   
  -    // FIXME: Validate content-length of media?
       if (uploadMedia != null) {
         // Three upload types:
         // 1. Resumable: Upload of data + metdata with multiple requests.
  
positive.code:     var bodyStream = _bytes2Stream(bytes);
  
      var headers = new HeadersImpl({
          'content-type' : [CONTENT_TYPE_UTF8],
          'content-length' : ['$length'],
          'x-upload-content-type' : [_uploadMedia.contentType],
          'x-upload-content-length' : ['${_uploadMedia.length}'],
  
negative.code:         });
        } else {
          headers = new HeadersImpl({
            'content-type' : [CONTENT_TYPE_JSON_UTF8],
            'content-length' : ['$length'],
          });
        }
  