Dart: Removes name conflicts from generated bindings.

examples/dart/wget/main.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.
 
 // Run with, e.g.:
 // mojo_shell "mojo:dart_wget http://www.google.com"
 
 import 'dart:async';
 import 'dart:typed_data';
 import 'mojo:application';
 import 'mojo:bindings';
 import 'mojo:core';
 
 import 'package:mojo/services/network/public/interfaces/network_service.mojom.dart';
 import 'package:mojo/services/network/public/interfaces/url_loader.mojom.dart';
 
 class WGet extends Application {
-  NetworkServiceProxy _networkService;
+  NetworkServiceProxy _networkServiceProxy;
+  NetworkService _networkService;
   UrlLoaderProxy _urlLoaderProxy;
+  UrlLoader _urlLoader;
 
   WGet.fromHandle(MojoHandle handle) : super.fromHandle(handle);
 
   void initialize(List<String> args, String url) {
     run(args);
   }
 
   run(List<String> args) async {
     if (args == null || args.length != 2) {
       throw "Expected URL argument";
     }
 
     ByteData bodyData = await _getUrl(args[1]);
     print(">>> Body <<<");
     print(new String.fromCharCodes(bodyData.buffer.asUint8List()));
     print(">>> EOF <<<");
 
     _closeProxies();
     close();
   }
 
   Future<ByteData> _getUrl(String url) async {
     _initProxiesIfNeeded();
 
     var urlRequest = new UrlRequest()
         ..url = url
         ..autoFollowRedirects = true;
 
-    var urlResponse = await _urlLoaderProxy.start(urlRequest);
+    var urlResponse = await _urlLoader.start(urlRequest);
     print(">>> Headers <<<");
     print(urlResponse.response.headers.join('\n'));
 
     return DataPipeDrainer.drainHandle(urlResponse.response.body);
   }
 
   void _initProxiesIfNeeded() {
     if (_networkService == null) {
-      _networkService = new NetworkServiceProxy.unbound();
-      connectToService("mojo:network_service", _networkService);
+      _networkServiceProxy = new NetworkServiceProxy.unbound();
+      _networkService = _networkServiceProxy.interface;
+      connectToService("mojo:network_service", _networkServiceProxy);
     }
     if (_urlLoaderProxy == null) {
       _urlLoaderProxy = new UrlLoaderProxy.unbound();
+      _urlLoader = _urlLoaderProxy.interface;
       _networkService.createUrlLoader(_urlLoaderProxy);
     }
   }
 
   void _closeProxies() {
-    _urlLoaderProxy.close();
-    _networkService.close();
+    _urlLoaderProxy.impl.close();
     _urlLoaderProxy = null;
+    _urlLoader = null;
+    _networkServiceProxy.impl.close();
+    _networkServiceProxy = null;
     _networkService = null;
   }
 }
 
 main(List args) {
   MojoHandle appHandle = new MojoHandle(args[0]);
-  var wget = new WGet.fromHandle(appHandle);
-  wget.listen();
+  new WGet.fromHandle(appHandle);
 }