Removed polymer & mirror from Observatory

runtime/observatory/lib/src/elements/field_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;
 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/instance_ref.dart';
 
 class FieldRefElement extends HtmlElement implements Renderable {
-  static const tag = const Tag<FieldRefElement>('field-ref-wrapped',
+  static const tag = const Tag<FieldRefElement>('field-ref',
                                                 dependencies: const [
                                                   InstanceRefElement.tag
                                                 ]);
 
   RenderingScheduler<FieldRefElement> _r;
 
   Stream<RenderedEvent<FieldRefElement>> get onRendered => _r.onRendered;
 
   M.IsolateRef _isolate;
   M.FieldRef _field;
@@ skipping 57 matching lines @@
         new SpanElement()..text = header,
         new InstanceRefElement(_isolate, _field.declaredType, _instances,
             queue: _r.queue),
         new SpanElement()..text = ' ',
         new AnchorElement(href: Uris.inspect(_isolate, object: _field))
           ..text = _field.name
       ];
     }
   }
 }