CPU profile displayed in three tables with a tree

runtime/observatory/lib/src/elements/observatory_element.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 observatory_element;
 
 import 'dart:async';
 import 'dart:html';
 import 'package:observatory/app.dart';
 import 'package:observatory/service.dart';
 import 'package:polymer/polymer.dart';
 
 /// Base class for all Observatory custom elements.
 @CustomTag('observatory-element')
 class ObservatoryElement extends PolymerElement {
   ObservatoryElement.created() : super.created();
 
   ObservatoryApplication get app => ObservatoryApplication.app;
   Page get page => app.currentPage;
-  ObservableMap get args => page.args;
 
   @override
   void attached() {
     super.attached();
     _startPoll();
   }
 
   @override
   void attributeChanged(String name, var oldValue, var newValue) {
     super.attributeChanged(name, oldValue, newValue);
@@ skipping 157 matching lines @@
     var anchorElement = new AnchorElement();
     anchorElement.href = href;
     anchorElement.text = label;
     if (title != null) {
       anchorElement.title = title;
     }
     anchorElement.onClick.listen(onClickGoto);
     shadowRoot.children.add(anchorElement);
   }
 }