Complete the switch to ServiceObject

runtime/vm/service/running_isolates.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.
 
 part of vmservice;
 
 class RunningIsolates implements MessageRouter {
   final Map<int, RunningIsolate> isolates = new Map<int, RunningIsolate>();
 
   RunningIsolates();
@@ skipping 11 matching lines @@
     var members = [];
     var result = {};
     isolates.forEach((portId, runningIsolate) {
       members.add({
           'type': '@Isolate',
           'id': 'isolates/$portId',
           'name': '$portId',
       });
     });
     result['type'] = 'IsolateList';
+    result['id'] = 'isolates';
     result['members'] = members;
     message.setResponse(JSON.encode(result));
   }
 
   Future<String> route(Message message) {
     if (message.path.length == 0) {
       message.setErrorResponse('No path.');
       return message.response;
     }
     if (message.path[0] != 'isolates') {
@@ skipping 15 matching lines @@
     var isolate = isolates[isolateId];
     if (isolate == null) {
       message.setErrorResponse('Cannot find isolate id: $isolateId');
       return message.response;
     }
     // Consume '/isolates/isolateId'
     message.path.removeRange(0, 2);
     return isolate.route(message);
   }
 }