Introduced support for external services registration in the ServiceProtocol

sdk/lib/vmservice/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 dart._vmservice;
 
 class RunningIsolates implements MessageRouter {
   final Map<int, RunningIsolate> isolates = new Map<int, RunningIsolate>();
   int _rootPortId;
 
   RunningIsolates();
 
   void isolateStartup(int portId, SendPort sp, String name) {
     if (_rootPortId == null) {
       _rootPortId = portId;
     }
     var ri = new RunningIsolate(portId, sp, name);
     isolates[portId] = ri;
   }
 
   void isolateShutdown(int portId, SendPort sp) {
     if (_rootPortId == portId) {
       _rootPortId = null;
     }
     isolates.remove(portId);
   }
 
-  Future<String> route(Message message) {
+  Future<String> routeRequest(Message message) {
     String isolateParam = message.params['isolateId'];
     int isolateId;
     if (!isolateParam.startsWith('isolates/')) {
       message.setErrorResponse(
           kInvalidParams, "invalid 'isolateId' parameter: $isolateParam");
       return message.response;
     }
     isolateParam = isolateParam.substring('isolates/'.length);
     if (isolateParam == 'root') {
       isolateId = _rootPortId;
@@ skipping 11 matching lines @@
       // There is some chance that this isolate may have lived before,
       // so return a sentinel rather than an error.
       var result = {
         'type': 'Sentinel',
         'kind': 'Collected',
         'valueAsString': '<collected>',
       };
       message.setResponse(encodeResult(message, result));
       return message.response;
     }
-    return isolate.route(message);
+    return isolate.routeRequest(message);
   }
+
+  void routeResponse(Message message) {}
 }