Converted Observatory isolate-nav-menu element

runtime/observatory/lib/src/elements/nav/top_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/src/elements/helpers/rendering_scheduler.dart';
 import 'package:observatory/src/elements/helpers/tag.dart';
-import 'package:observatory/src/elements/helpers/rendering_scheduler.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 NavTopMenuElement extends HtmlElement implements Renderable {
   static const tag = const Tag<NavTopMenuElement>('nav-top-menu',
                      dependencies: const [NavMenuElement.tag,
                                           NavMenuItemElement.tag]);
 
   RenderingScheduler _r;
 
@@ skipping 21 matching lines @@
 
   @override
   void detached() {
     super.detached();
     _r.disable(notify: true);
     shadowRoot.children = [];
   }
 
   void render() {
     shadowRoot.children = [
-      new NavMenuElement('Observatory', link: '/vm', last: last,
+      new NavMenuElement('Observatory', link: Uris.vm(), last: last,
                          queue: _r.queue)
         ..children = [
-          new NavMenuItemElement('Connect to a VM', link: '/vm-connect',
+          new NavMenuItemElement('Connect to a VM', link: Uris.vmConnect(),
                                  queue: _r.queue),
           new ContentElement()
         ]
     ];
   }
 }