Removed Polymer from Observatory deps

packages/polymer/test/event_path_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 polymer.test.web.event_path_test;
-
-import 'dart:html';
-import 'package:polymer/polymer.dart';
-import 'package:unittest/html_config.dart';
-import 'package:unittest/unittest.dart';
-
-@CustomTag('x-selector')
-class XSelector extends PolymerElement {
-  XSelector.created() : super.created();
-}
-
-@CustomTag('x-overlay')
-class XOverlay extends PolymerElement {
-  XOverlay.created() : super.created();
-}
-
-@CustomTag('x-menu')
-class XMenu extends XSelector {
-  XMenu.created() : super.created();
-}
-
-@CustomTag('x-menu-button')
-class XMenuButton extends PolymerElement {
-  XMenuButton.created() : super.created();
-}
-
-main() => initPolymer().then((zone) => zone.run(() {
-  useHtmlConfiguration();
-
-  setUp(() => Polymer.onReady);
-
-  test('bubbling in the right order', () {
-    var item1 = querySelector('#item1');
-    var menuButton = querySelector('#menuButton');
-    // Note: polymer uses automatic node finding (menuButton.$.menu)
-    // also note that their node finding code also reachs into the ids
-    // from the parent shadow (menu.$.selectorContent instead of
-    // menu.$.menuShadow.$.selectorContent)
-    var menu = menuButton.shadowRoot.querySelector('#menu');
-    var overlay = menuButton.shadowRoot.querySelector('#overlay');
-    var expectedPath = <Node>[
-      item1,
-      menuButton.shadowRoot.querySelector('#menuButtonContent'),
-      menu.shadowRoot.olderShadowRoot.querySelector('#selectorContent'),
-      menu.shadowRoot.olderShadowRoot.querySelector('#selectorDiv'),
-      menu.shadowRoot.olderShadowRoot,
-      menu.shadowRoot.querySelector('#menuShadow'),
-      menu.shadowRoot.querySelector('#menuDiv'),
-      menu.shadowRoot,
-      menu,
-      menuButton.shadowRoot.querySelector('#menuButtonDiv'),
-      // TODO(sigmund): this test is currently broken because currently
-      // registerElement is sensitive to the order in which each custom
-      // element is registered. When fixed, we should be able to add the
-      // following three targets:
-      //   overlay.shadowRoot.query('#overlayContent'),
-      //   overlay.shadowRoot,
-      //   overlay,
-      menuButton.shadowRoot,
-      menuButton
-    ];
-    var x = 0;
-    for (int i = 0; i < expectedPath.length; i++) {
-      var node = expectedPath[i];
-      expect(node, isNotNull, reason: "Should not be null at $i");
-      node.on['x'].listen(expectAsync((e) {
-        expect(e.currentTarget, node);
-        expect(x++, i);
-      }));
-    }
-
-    item1.dispatchEvent(new Event('x', canBubble: true));
-  });
-}));