Finish moving service protocol to json rpc.

runtime/vm/service/vmservice.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 vmservice;
 
 import 'dart:async';
 import 'dart:convert';
 import 'dart:isolate';
 
@@ skipping 120 matching lines @@
     });
     result['type'] = 'ClientList';
     result['members'] = members;
     message.setResponse(JSON.encode(result));
   }
 
   Future<String> route(Message message) {
     if (message.completed) {
       return message.response;
     }
+    // TODO(turnidge): Update to json rpc.  BEFORE SUBMIT.
     if ((message.path.length == 1) && (message.path[0] == 'clients')) {
       _clientCollection(message);
       return message.response;
     }
-    if (message.isOld) {
-      if (message.path[0] == 'isolates') {
-        return runningIsolates.route(message);
-      }
-    } else {
-      if (message.params['isolate'] != null) {
-        return runningIsolates.route(message);
-      }
+    if (message.params['isolateId'] != null) {
+      return runningIsolates.route(message);
     }
     return message.sendToVM();
   }
 }
 
 RawReceivePort boot() {
   // Return the port we expect isolate startup and shutdown messages on.
   return isolateLifecyclePort;
 }
 
 void _registerIsolate(int port_id, SendPort sp, String name) {
   var service = new VMService();
   service.runningIsolates.isolateStartup(port_id, sp, name);
 }
 
 void _setEventMask(int mask)
     native "VMService_SetEventMask";
 
 void _onStart() native "VMService_OnStart";