Get the pub oauth2 test passing locally.

utils/pub/oauth2.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library oauth2;
 
 import 'dart:async';
 import 'dart:io';
 import 'dart:uri';
 
@@ skipping 82 matching lines @@
 }
 
 /// Gets a new OAuth2 client. If saved credentials are available, those are
 /// used; otherwise, the user is prompted to authorize the pub client.
 Future<Client> _getClient(SystemCache cache) {
   return defer(() {
     var credentials = _loadCredentials(cache);
     if (credentials == null) return _authorize();
 
     var client = new Client(_identifier, _secret, credentials,
-        httpClient: curlClient);
+        httpClient: httpClient);
     _saveCredentials(cache, client.credentials);
     return client;
   });
 }
 
 /// Loads the user's OAuth2 credentials from the in-memory cache or the
 /// filesystem if possible. If the credentials can't be loaded for any reason,
 /// the returned [Future] will complete to null.
 Credentials _loadCredentials(SystemCache cache) {
   log.fine('Loading OAuth2 credentials.');
@@ skipping 80 matching lines @@
       'Pub needs your authorization to upload packages on your behalf.\n'
       'In a web browser, go to $authUrl\n'
       'Then click "Allow access".\n\n'
       'Waiting for your authorization...');
 
   return completer.future.then((client) {
     log.message('Successfully authorized.\n');
     return client;
   });
 }