anchor.diff:    ]);
   }
   
  -Future<http.Client> _getAuthenticatedClientOrRedirectToSignIn() {
  +Future<http.Client> _getAuthenticatedClientOrRedirectToSignIn() async {
     const _oauthClientId = '308150028417-vlj9mqlm3gk1d03fb0efif1fu5nagdtt.apps.googleusercontent.com';
   
     Uri location = Uri.parse(window.location.href);
  
positive.code:       tokenStart + 'access_token='.length,
        tokenEnd != -1 ? tokenEnd : null
      ));
    }
  
    Completer<http.Client> completer = new Completer<http.Client>();
  
negative.code: // found in the LICENSE file.
  
  import 'dart:async';
  import 'dart:convert';
  import 'dart:html';
  import 'package:angular2/core.dart';
  import 'package:angular2/platform/browser.dart';
  