merge to trunk all changes from 36817 until 37378 under the packages: polymer,

pkg/polymer/test/register_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.
 
 import 'dart:html';
 import 'package:polymer/polymer.dart';
 import 'package:unittest/unittest.dart';
 import 'package:unittest/html_config.dart';
 
 @CustomTag('x-html')
 class XHtmlElement extends PolymerElement {
   XHtmlElement.created() : super.created();
 }
 
 @CustomTag('x-html-two')
 class XHtml2Element extends XHtmlElement {
   XHtml2Element.created() : super.created();
 }
 
 @CustomTag('x-div')
 class XDivElement extends DivElement with Polymer, Observable {
-  XDivElement.created() : super.created();
+  XDivElement.created() : super.created() {
+    polymerCreated();
+  }
 }
 
 @CustomTag('x-div-two')
 class XDiv2Element extends XDivElement {
   XDiv2Element.created() : super.created();
 }
 
 /// Dart-specific test:
 /// This element is registered from code without an associated polymer-element.
 class XPolymerElement extends PolymerElement {
   XPolymerElement.created() : super.created();
 }
 
 /// Dart-specific test:
 /// This element is registered from code without an associated polymer-element.
 class XButtonElement extends ButtonElement with Polymer, Observable {
-  XButtonElement.created() : super.created();
+  XButtonElement.created() : super.created() {
+    polymerCreated();
+  }
 }
 
 
 main() => initPolymer().run(() {
   useHtmlConfiguration();
 
   setUp(() => Polymer.onReady);
 
   test('elements upgraded', () {
     expect(querySelector('x-html') is XHtmlElement, isTrue);
@@ skipping 21 matching lines @@
     test('type extension', () {
       Polymer.registerSync('x-button', XButtonElement, extendsTag: 'button');
 
       expect(document.createElement('button', 'x-button') is XButtonElement,
           isTrue, reason: 'should have been registered');
       expect(document.querySelector('[is=x-button]') is XButtonElement, isTrue,
           reason: 'elements on page should be upgraded');
     });
   });
 });