Dart: Refactor Stubs

mojo/dart/packages/mojo/lib/src/application_connection.dart

 // Copyright 2014 The Chromium Authors. 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 application;
 
 typedef void ServiceFactory(core.MojoMessagePipeEndpoint endpoint);
 typedef void FallbackServiceFactory(
     String interfaceName, core.MojoMessagePipeEndpoint endpoint);
 
 class LocalServiceProvider implements ServiceProvider {
   final ApplicationConnection connection;
   ServiceProviderStub _stub;
 
   LocalServiceProvider(this.connection, this._stub) {
     _stub.impl = this;
-    if (!_stub.isOpen) {
+    if (!_stub.ctrl.isOpen) {
       throw new core.MojoApiError("The service provider stub must be open");
     }
   }
 
   set onError(Function f) {
-    _stub.onError = f;
+    _stub.ctrl.onError = f;
   }
 
   Future close({bool immediate: false}) => _stub.close(immediate: immediate);
 
   void connectToService_(
       String interfaceName, core.MojoMessagePipeEndpoint pipe) {
     if (connection._nameToServiceFactory.containsKey(interfaceName)) {
       connection._nameToServiceFactory[interfaceName](pipe);
       return;
     }
@@ skipping 126 matching lines @@
     }
     if (_localServiceProvider != null) {
       lspCloseFuture = _localServiceProvider.close(immediate: immediate);
       _localServiceProvider = null;
     } else {
       lspCloseFuture = new Future.value(null);
     }
     return rspCloseFuture.then((_) => lspCloseFuture);
   }
 }