Removed polymer & mirror from Observatory

runtime/observatory/lib/src/elements/nav/menu.dart

Index: runtime/observatory/lib/src/elements/nav/menu.dart
diff --git a/runtime/observatory/lib/src/elements/nav/menu.dart b/runtime/observatory/lib/src/elements/nav/menu.dart
deleted file mode 100644
index 2624ad7986a6887075dfc9b67b6d5ab427c53047..0000000000000000000000000000000000000000
--- a/runtime/observatory/lib/src/elements/nav/menu.dart
+++ /dev/null
@@ -1,115 +0,0 @@
-// Copyright (c) 2016, 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 'dart:async';
-import 'package:observatory/src/elements/helpers/tag.dart';
-import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
-
-class NavMenuElement extends HtmlElement implements Renderable {
-  static final StyleElement _style = () {
-      var style = new StyleElement();
-      style.text = '''li.nav-menu_label, li.nav-menu_spacer {
-                        float: left;
-                      }
-                      li.nav-menu_label > a, li.nav-menu_spacer {
-                        display: block;
-                        padding: 12px 8px;
-                        color: White;
-                        text-decoration: none;
-                      }
-                      li.nav-menu_label:hover {
-                        background: #455;
-                      }
-                      li.nav-menu_label > ul {
-                        display: none;
-                        position: absolute;
-                        top: 98%;
-                        list-style: none;
-                        margin: 0;
-                        padding: 0;
-                        width: auto;
-                        z-index: 1000;
-                        font: 400 16px \'Montserrat\', sans-serif;
-                        color: white;
-                        background: #567;
-                      }
-                      li.nav-menu_label > ul:after {
-                        content: ""; clear: both; display: block;
-                      }
-                      li.nav-menu_label:hover > ul {
-                        display: block;
-                      }''';
-      return style;
-  }();
-
-  static const tag = const Tag<NavMenuElement>('nav-menu-wrapped');
-
-  RenderingScheduler _r;
-
-  Stream<RenderedEvent<NavMenuElement>> get onRendered => _r.onRendered;
-
-  String _label;
-  String _link;
-  bool _last;
-
-  String get label => _label;
-  String get link => _link;
-  bool get last => _last;
-  
-  set label(String value) => _label = _r.checkAndReact(_label, value);
-  set link(String value) => _link = _r.checkAndReact(_link, value);
-  set last(bool value) => _last = _r.checkAndReact(_link, value);
-
-  factory NavMenuElement(String label, {String link, bool last: false,
-                             RenderingQueue queue}) {
-    assert(label != null);
-    assert(last != null);
-    NavMenuElement e = document.createElement(tag.name);
-    e._r = new RenderingScheduler(e, queue: queue);
-    e._label = label;
-    e._link = link;
-    e._last = last;
-    return e;
-  }
-
-  NavMenuElement.created() : super.created() { createShadowRoot(); }
-
-  @override
-  void attached() {
-    super.attached();
-    _r.enable();
-  }
-
-  @override
-  void detached() {
-    super.detached();
-    _r.disable(notify: true);
-    shadowRoot.children = [];
-  }
-
-  void render() {
-    List<Element> children = [
-      _style.clone(true),
-      new LIElement()
-        ..classes = ['nav-menu_label']
-        ..children = [
-          new AnchorElement(href: link)
-            ..text = label,
-          new UListElement()
-            ..children = [
-              new ContentElement()
-            ]
-        ]
-    ];
-    if (!last) {
-      children.add(
-        new LIElement()
-          ..classes = ['nav-menu_spacer']
-          ..innerHtml = '&gt;'
-      );
-    }
-    shadowRoot.children = children;
-  }
-}