Removed Polymer from Observatory deps

packages/polymer/test/bind_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:async';
-import 'dart:html';
-import 'package:polymer/polymer.dart';
-import 'package:unittest/unittest.dart';
-import 'package:unittest/html_config.dart';
-
-@CustomTag('x-bar')
-class XBar extends PolymerElement {
-  XBar.created() : super.created();
-
-  get testValue => true;
-}
-
-@CustomTag('x-foo')
-class XFoo extends PolymerElement {
-  @observable var foo = 'foo!';
-  final _testDone = new Completer();
-  Future get onTestDone => _testDone.future;
-
-  XFoo.created() : super.created();
-
-  _runTest(_) {
-    expect($['bindId'].text.trim(), 'bar!');
-
-    expect(foo, $['foo'].attributes['foo']);
-    expect($['bool'].attributes['foo'], '');
-    expect($['bool'].attributes, isNot(contains('foo?')));
-    expect($['content'].innerHtml, foo);
-
-    expect(foo, $['bar'].attributes['foo']);
-    expect($['barBool'].attributes['foo'], '');
-    expect($['barBool'].attributes, isNot(contains('foo?')));
-    expect($['barContent'].innerHtml, foo);
-    _testDone.complete();
-  }
-
-  ready() {
-    onMutation($['bindId']).then(_runTest);
-  }
-}
-
-main() => initPolymer().then((zone) => zone.run(() {
-  useHtmlConfiguration();
-
-  setUp(() => Polymer.onReady);
-
-  test('ready called', () => (querySelector('x-foo') as XFoo).onTestDone);
-}));