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

runtime/bin/vmservice/observatory/lib/src/elements/isolate_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 isolate_view_element;
 
 import 'dart:async';
 import 'observatory_element.dart';
 import 'package:observatory/app.dart';
 import 'package:observatory/service.dart';
@@ skipping 116 matching lines @@
   }
 
   void refreshCoverage(var done) {
     isolate.refreshCoverage().whenComplete(done);
   }
 
   Future pause(_) {
     return isolate.get("debug/pause").then((result) {
         // TODO(turnidge): Instead of asserting here, handle errors
         // properly.
-        assert(result.serviceType == 'Success');
+        assert(result.type == 'Success');
         return isolate.reload();
       });
   }
 
   Future resume(_) {
     return isolate.get("resume").then((result) {
         // TODO(turnidge): Instead of asserting here, handle errors
         // properly.
-        assert(result.serviceType == 'Success');
+        assert(result.type == 'Success');
         return isolate.reload();
       });
   }
 }