Fix data loading in the stocks app

sky/sdk/lib/framework/net/fetch.dart

 // Copyright 2015 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.
 
-import '../shell.dart' as shell;
-import 'dart:async';
-import 'dart:typed_data';
-import 'package:mojo/core.dart' as core;
-import 'package:mojom/mojo/network_service.mojom.dart';
-import 'package:mojom/mojo/url_loader.mojom.dart';
-import 'package:mojom/mojo/url_request.mojom.dart';
-import 'package:mojom/mojo/url_response.mojom.dart';
-
-class Response {
-  ByteData body;
-
-  Response(this.body);
-
-  String bodyAsString() {
-    return new String.fromCharCodes(new Uint8List.view(body.buffer));
-  }
-}
-
-Future<UrlResponse> fetch(UrlRequest request) async {
-  NetworkServiceProxy net = new NetworkServiceProxy.unbound();
-  shell.requestService("mojo:authenticated_network_service", net);
-
-  UrlLoaderProxy loader = new UrlLoaderProxy.unbound();
-  net.ptr.createUrlLoader(loader);
-
-  UrlResponse response = (await loader.ptr.start(request)).response;
-
-  loader.close();
-  net.close();
-  return response;
-}
-
-Future<UrlResponse> fetchUrl(String relativeUrl) async {
-  String url = Uri.base.resolve(relativeUrl).toString();
-  UrlRequest request = new UrlRequest()
-    ..url = url
-    ..autoFollowRedirects = true;
-  return fetch(request);
-}
-
-Future<Response> fetchBody(String relativeUrl) async {
-  UrlResponse response = await fetchUrl(relativeUrl);
-  if (response.body == null) return new Response(null);
-
-  ByteData data = await core.DataPipeDrainer.drainHandle(response.body);
-  return new Response(data);
-}
+// TODO(abarth): Remove this file once clients migrate to the new location.
+export '../../mojo/net/fetch.dart';