Removed polymer & mirror from Observatory

runtime/observatory/lib/src/elements/code_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.
 
 library code_ref_element;
 
 import 'dart:html';
 import 'dart:async';
 import 'package:observatory/models.dart' as M
   show IsolateRef, CodeRef, isSyntheticCode;
 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 CodeRefElement extends HtmlElement implements Renderable {
-  static const tag = const Tag<CodeRefElement>('code-ref-wrapped');
+  static const tag = const Tag<CodeRefElement>('code-ref');
 
   RenderingScheduler<CodeRefElement> _r;
 
   Stream<RenderedEvent<CodeRefElement>> get onRendered => _r.onRendered;
 
   M.IsolateRef _isolate;
   M.CodeRef _code;
 
   M.IsolateRef get isolate => _isolate;
   M.CodeRef get code => _code;
@@ skipping 26 matching lines @@
 
   void render() {
     final name = (_code.isOptimized ? '*' : '') + _code.name;
     children = [
       new AnchorElement(href: M.isSyntheticCode(_code.kind) ? null
           : Uris.inspect(_isolate, object: _code))
         ..text = name
     ];
   }
 }