Allow sky apps to be consumers of mojo services

sky/examples/dart-mojo.sky

Index: sky/examples/dart-mojo.sky
diff --git a/examples/dart/wget/main.dart b/sky/examples/dart-mojo.sky
similarity index 73%
copy from examples/dart/wget/main.dart
copy to sky/examples/dart-mojo.sky
index 5898695e486613f2a8bed0dc353e53fd6c21946d..e69f99e1d0429026db6a947d99401d0f5bfb2f0e 100644
--- a/examples/dart/wget/main.dart
+++ b/sky/examples/dart-mojo.sky
@@ -1,24 +1,24 @@
-// 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"
-
+#!mojo mojo:sky_viewer
+<sky>
+<import src="dart-library.sky" as="library" />
+<script>
 import 'dart:async';
-import 'dart:mojo_application';
+import '/mojo/public/dart/application.dart';
 import 'dart:mojo_bindings';
 import 'dart:mojo_core';
 import 'dart:typed_data';
+import 'dart:sky.internals' as internals;
 
 import 'package:mojo/services/network/public/interfaces/network_service.mojom.dart';
 import 'package:mojo/services/network/public/interfaces/url_loader.mojom.dart';
+import 'package:mojo/public/interfaces/application/shell.mojom.dart' as shell_mojom;
 
 class WGet extends Application {
   NetworkServiceProxy _networkService;
   UrlLoaderProxy _urlLoaderProxy;
 
   WGet.fromHandle(MojoHandle handle) : super.fromHandle(handle);
+  WGet(MojoMessagePipeEndpoint endpoint) : super(endpoint);
 
   void initialize(List<String> args) {
     run(args);
@@ -70,9 +70,13 @@ class WGet extends Application {
   }
 }
 
-main(List args) {
-  MojoHandle appHandle = new MojoHandle(args[0]);
-  String url = args[1];
-  var wget = new WGet.fromHandle(appHandle);
+main() {
+  var messagePipe = new MojoMessagePipe();
+  var wget = new WGet(messagePipe.endpoints[1]);
   wget.listen();
+  var shellProxy = new shell_mojom.ShellProxy.fromHandle(new MojoHandle(internals.passShellProxyHandle()));
+  wget.initializeFromShellProxy(shellProxy, ["mojo:wget", "http://www.google.com"]);
 }
+
+</script>
+</sky>