Update TodoMVC and other samples for polymer 0.10.0-pre.7

dart/samples/third_party/todomvc/test/listorder_test.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.test.listorder_test;
 
 import 'dart:async';
 import 'dart:html';
 import 'package:polymer/polymer.dart';
 import 'package:unittest/unittest.dart';
 import 'package:unittest/html_config.dart';
 import '../web/elements/td_model.dart';
 import '../web/elements/td_todos.dart';
 import 'utils.dart';
 
 /**
  * This test runs the TodoMVC app, adds a few elements, marks some as done, and
  * switches from back and forth between "Active" and "All". This will make some
  * nodes to be hidden and readded to the page.
  */
+@initMethod
 main() {
-  initPolymer();
   useHtmlConfiguration();
 
   ShadowRoot root;
   TodoModel model;
 
   setUp(() => Polymer.onReady.then((_) {
     root = querySelector('td-todos').shadowRoot;
     model = querySelector('td-model');
     return onPropertyInit(model, 'items');
   }));
@@ skipping 31 matching lines @@
     });
   });
 
   test('navigate back to #/', () {
     windowLocation.hash = '#/';
     return window.animationFrame.then((_) {
       expect(root.querySelectorAll('#todo-list li[is=td-item]').length, 3);
     });
   });
 }