Removed polymer & mirror from Observatory

runtime/observatory/lib/src/elements/pc_descriptors_ref.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.
 
 import 'dart:html';
 import 'dart:async';
 import 'package:observatory/models.dart' as M
   show IsolateRef, PcDescriptorsRef;
 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';
 
 class PcDescriptorsRefElement extends HtmlElement implements Renderable {
-  static const tag = const Tag<PcDescriptorsRefElement>('pc-ref-wrapped');
+  static const tag = const Tag<PcDescriptorsRefElement>('pc-ref');
 
   RenderingScheduler<PcDescriptorsRefElement> _r;
 
   Stream<RenderedEvent<PcDescriptorsRefElement>> get onRendered =>
     _r.onRendered;
 
   M.IsolateRef _isolate;
   M.PcDescriptorsRef _descriptors;
 
   M.IsolateRef get isolate => _isolate;
@@ skipping 28 matching lines @@
   void render() {
     final text = (_descriptors.name == null || _descriptors.name == '')
       ? 'PcDescriptors'
       : _descriptors.name;
     children = [
       new AnchorElement(href: Uris.inspect(_isolate, object: _descriptors))
         ..text = text
     ];
   }
 }