Fixing bots after Polymer element integration

samples/third_party/todomvc/web/editable_label.dart

 // Copyright (c) 2013, 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 todomvc.web.editable_label;
 
 import 'dart:html';
 import 'package:polymer/polymer.dart';
 
 /**
@@ skipping 34 matching lines @@
 
   void maybeCancel(KeyboardEvent e) {
     if (e.keyCode == KeyCode.ESC) {
       editing = false;
     }
   }
 }
 
 @initMethod
 void _init() {
-  Polymer.register('editable-label', type: EditableLabel);
+  Polymer.register('editable-label', EditableLabel);
 }