Removed polymer & mirror from Observatory

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

Index: runtime/observatory/lib/src/elements/nav/bar.dart
diff --git a/runtime/observatory/lib/src/elements/nav/bar.dart b/runtime/observatory/lib/src/elements/nav/bar.dart
deleted file mode 100644
index b175ba6a21703f986902bfd8ffeac689b475e3ea..0000000000000000000000000000000000000000
--- a/runtime/observatory/lib/src/elements/nav/bar.dart
+++ /dev/null
@@ -1,76 +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 NavBarElement extends HtmlElement implements Renderable {
-  static final StyleElement _style = () {
-      var style = new StyleElement();
-      style.text = 'nav.nav-bar {'
-                     'line-height: normal;'
-                     'position: fixed;'
-                     'top: 0;'
-                     'width: 100%;'
-                     'z-index: 1000;'
-                     '}'
-                   'nav.nav-bar > ul {'
-                     'display: inline-table;'
-                     'position: relative;'
-                     'list-style: none;'
-                     'padding-left: 0;'
-                     'margin: 0;'
-                     'width: 100%;'
-                     'z-index: 1000;'
-                     'font: 400 16px \'Montserrat\', sans-serif;'
-                     'color: white;'
-                     'background-color: #0489c3;'
-                   '}';
-      return style;
-  }();
-
-  static const tag = const Tag<NavBarElement>('nav-bar');
-
-  RenderingScheduler _r;
-
-  Stream<RenderedEvent<NavBarElement>> get onRendered => _r.onRendered;
-
-  factory NavBarElement({RenderingQueue queue}) {
-    NavBarElement e = document.createElement(tag.name);
-    e._r = new RenderingScheduler(e, queue: queue);
-    return e;
-  }
-
-  NavBarElement.created() : super.created() {
-    // TODO(cbernaschina) remove when no more needed.
-    _r = new RenderingScheduler(this);
-    createShadowRoot();
-  }
-
-  @override
-  void attached() { super.attached(); _r.enable(); }
-
-  @override
-  void detached() {
-    super.detached(); _r.disable(notify: true);
-    shadowRoot.children = [];
-  }
-
-  void render() {
-    shadowRoot.children = [
-      _style.clone(true),
-      document.createElement('nav')
-        ..classes = ['nav-bar']
-        ..children = [
-          new UListElement()
-            ..children = [
-              new ContentElement()
-            ],
-        ],
-      new DivElement()
-    ];
-  }
-}