Removed polymer & mirror from Observatory

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

 // 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/models.dart' as M
   show VM, EventRepository;
+import 'package:observatory/src/elements/helpers/nav_menu.dart';
 import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
 import 'package:observatory/src/elements/helpers/tag.dart';
 import 'package:observatory/src/elements/helpers/uris.dart';
-import 'package:observatory/src/elements/nav/menu.dart';
 import 'package:observatory/src/elements/nav/menu_item.dart';
 
 class NavVMMenuElement extends HtmlElement implements Renderable {
   static const tag = const Tag<NavVMMenuElement>('nav-vm-menu',
-                     dependencies: const [NavMenuElement.tag,
-                                          NavMenuItemElement.tag]);
+                     dependencies: const [NavMenuItemElement.tag]);
 
   RenderingScheduler _r;
 
   Stream<RenderedEvent<NavVMMenuElement>> get onRendered => _r.onRendered;
 
-  bool _last;
   M.VM _vm;
   M.EventRepository _events;
   StreamSubscription _updatesSubscription;
+  Iterable<Element> _content = const [];
 
+  M.VM get vm => _vm;
+  Iterable<Element> get content => _content;
 
-  bool get last => _last;
-  M.VM get vm => _vm;
+  set content(Iterable<Element> value) {
+    _content = value.toList();
+    _r.dirty();
+  }
 
-  set last(bool value) => _last = _r.checkAndReact(_last, value);
-
-  factory NavVMMenuElement(M.VM vm, M.EventRepository events, {bool last: false,
-    RenderingQueue queue}) {
+  factory NavVMMenuElement(M.VM vm, M.EventRepository events,
+                           {RenderingQueue queue}) {
     assert(vm != null);
     assert(events != null);
-    assert(last != null);
     NavVMMenuElement e = document.createElement(tag.name);
     e._r = new RenderingScheduler(e, queue: queue);
     e._vm = vm;
     e._events = events;
-    e._last = last;
     return e;
   }
 
-  NavVMMenuElement.created() : super.created() { createShadowRoot(); }
+  NavVMMenuElement.created() : super.created();
 
   @override
   void attached() {
     super.attached();
     _updatesSubscription = _events.onVMUpdate
         .listen((e) { _vm = e.vm; _r.dirty(); });
     _r.enable();
   }
 
   @override
   void detached() {
     super.detached();
-    shadowRoot.children = [];
+    children = [];
     _r.disable(notify: true);
     _updatesSubscription.cancel();
   }
 
   void render() {
-    shadowRoot.children = [
-      new NavMenuElement(vm.displayName, link: Uris.vm(), last: last,
-          queue: _r.queue)
-        ..children = (
-          _vm.isolates.map((isolate) {
-            return new NavMenuItemElement(isolate.name, queue: _r.queue,
-                link: Uris.inspect(isolate));
-          }).toList()
-          ..add(new ContentElement())
-        )
+    final content = (
+      _vm.isolates.map((isolate) {
+        return new NavMenuItemElement(isolate.name, queue: _r.queue,
+            link: Uris.inspect(isolate));
+      }).toList()
+      ..addAll(_content)
+    );
+    children = [
+      navMenu(vm.displayName, link: Uris.vm(), content: content)
     ];
   }
 }