Allow observatory to distinguish between user-level and vm-level types.

runtime/bin/vmservice/observatory/lib/src/elements/service_view.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 service_object_view_element;
 
 import 'dart:html';
 import 'package:logging/logging.dart';
 import 'package:observatory/service.dart';
 import 'package:observatory/tracer.dart';
 import 'package:observatory/elements.dart';
 import 'package:polymer/polymer.dart';
 import 'observatory_element.dart';
 
 @CustomTag('service-view')
 class ServiceObjectViewElement extends ObservatoryElement {
   @published ServiceObject object;
   @published ObservableMap args;
 
   ServiceObjectViewElement.created() : super.created();
 
   ObservatoryElement _constructElementForObject() {
-    var type = object.serviceType;
+    var type = object.vmType;
     switch (type) {
       case 'AllocationProfile':
         HeapProfileElement element = new Element.tag('heap-profile');
         element.profile = object;
         return element;
       case 'BreakpointList':
         BreakpointListElement element = new Element.tag('breakpoint-list');
         element.msg = object;
         return element;
       case 'Class':
@@ skipping 157 matching lines @@
     }
   }
 
   objectChanged(oldValue) {
     // Remove the current view.
     children.clear();
     if (object == null) {
       Logger.root.info('Viewing null object.');
       return;
     }
-    var type = object.serviceType;
+    var type = object.vmType;
     var element = _constructElementForObject();
     if (element == null) {
       Logger.root.info('Unable to find a view element for \'${type}\'');
       return;
     }
     children.add(element);
     Logger.root.info('Viewing object of \'${type}\'');
   }
 }
 
@@ skipping 43 matching lines @@
 
   dynamic expander() {
     return expandEvent;
   }
 
   void expandEvent(bool exp, var done) {
     expand = exp;
     done();
   }
 }