Add initializeFromShellProxy to application.dart

sky/examples/dart-mojo.sky

 #!mojo mojo:sky_viewer
 <sky>
 <import src="dart-library.sky" as="library" />
 <script>
 import 'dart:async';
 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) {
+  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("read ${bodyData.lengthInBytes} bytes");
@@ skipping 33 matching lines @@
     _networkService.close();
     _urlLoaderProxy = null;
     _networkService = null;
   }
 }
 
 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()));

[zra, 2015/02/13 07:14:23]

If Dart code in .sky files should follow Dart style, then these lines should be
< 80 chars.

[abarth-chromium, 2015/02/13 07:16:50]

Will fix.

-  wget.initializeFromShellProxy(shellProxy, ["mojo:wget", "http://www.google.com"]);
+  wget.initializeFromShellProxy(shellProxy, ["mojo:wget", "http://www.google.com"], "mojo:wget");
 }
 
 </script>
 </sky>