update elements and fix some bugs

test/iron_selector_exclude_local_names_test.dart

 // Copyright (c) 2015, 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.
 @TestOn('browser')
 library polymer_elements.test.iron_selector_exclude_local_names_test;
 
 import 'package:polymer_elements/iron_selector.dart';
 import 'package:test/test.dart';
 import 'package:web_components/web_components.dart';
 import 'common.dart';
 
 main() async {
   await initWebComponents();
 
   group('exclude local names', () {
     IronSelector test1;
     IronSelector test2;
 
     setUp(() {
       test1 = fixture('test1');
       test2 = fixture('test2');
     });
 
     test('default `excludedLocalNames`', () {
-      expect(test1.excludedLocalNames['template'], isNotNull);
-      expect(test2.excludedLocalNames['template'], isNotNull);
+      expect(test1.jsElement['_excludedLocalNames']['template'], isNotNull);

[Siggi Cherem (dart-lang), 2015/10/28 22:35:16]

is this just private internal state or something users were expected to
configure externally?

[jakemac, 2015/10/29 16:07:29]

This got moved to be a private variable. I guess technically that's a breaking
change, but I doubt this was being used and since we are in RC still I think its
fine not to bump the version.

+      expect(test2.jsElement['_excludedLocalNames']['template'], isNotNull);
     });
 
     test('custom `excludedLocalNames`', () {
-      test1.excludedLocalNames['foo'] = 1;
-      expect(test1.excludedLocalNames['foo'], isNotNull);
-      expect(test2.excludedLocalNames['foo'], isNull);
+      test1.jsElement['_excludedLocalNames']['foo'] = 1;
+      expect(test1.jsElement['_excludedLocalNames']['foo'], isNotNull);
+      expect(test2.jsElement['_excludedLocalNames']['foo'], isNull);
     });
 
     test('items', () {
-      test1.excludedLocalNames['span'] = 1;
-      test2.excludedLocalNames['div'] = 1;
+      test1.jsElement['_excludedLocalNames']['span'] = 1;
+      test2.jsElement['_excludedLocalNames']['div'] = 1;
 
       var NOT_FOUND = -1;
       var items1 = test1.items.map((el) => el.localName);
       var items2 = test2.items.map((el) => el.localName);
 
       expect(items1.contains('span'), isFalse);
       expect(items2.contains('div'), isFalse);
     });
   });
 }