Update pkg/http to use the new async APIs.

pkg/http/test/multipart_test.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library multipart_test;
 
+import 'dart:async';
 import 'dart:io';
 import 'dart:utf';
 
 // TODO(nweiz): get rid of this import before packaging this
 import '../../../tests/utils/test_utils.dart';
 import 'package:unittest/unittest.dart';
 import 'package:http/http.dart' as http;
 import 'package:http/src/utils.dart';
 
 import 'utils.dart';
 
 /// A matcher that validates the body of a multipart request after finalization.
 /// The string "{{boundary}}" in [pattern] will be replaced by the boundary
 /// string for the request, and LF newlines will be replaced with CRLF.
 /// Indentation will be normalized.
 Matcher bodyMatches(String pattern) => new _BodyMatches(pattern);
 
 class _BodyMatches extends BaseMatcher {
   final String _pattern;
 
   _BodyMatches(this._pattern);
 
   bool matches(item, MatchState matchState) {
     if (item is! http.MultipartRequest) return false;
 
-    var future = consumeInputStream(item.finalize()).then((bodyBytes) {
+    var future = item.finalize().toBytes().then((bodyBytes) {
       var body = decodeUtf8(bodyBytes);
       var contentType = new ContentType.fromString(
           item.headers['content-type']);
       var boundary = contentType.parameters['boundary'];
       var expected = cleanUpLiteral(_pattern)
           .replaceAll("\n", "\r\n")
           .replaceAll("{{boundary}}", boundary);
 
       expect(body, equals(expected));
       expect(item.contentLength, equals(bodyBytes.length));
@@ skipping 105 matching lines @@
   });
 
   // TODO(nweiz): test creating a multipart file with a charset other than UTF-8
   // once issue 6284 is fixed.
 
   // TODO(nweiz): test creating a string with a unicode body once issue 6284 is
   // fixed.
 
   test('with a stream file', () {
     var request = new http.MultipartRequest('POST', dummyUrl);
-    var stream = new ListInputStream();
+    var stream = new StreamController.singleSubscription();
     request.files.add(new http.MultipartFile('file', stream, 5));
 
     expect(request, bodyMatches('''
         --{{boundary}}
         content-type: application/octet-stream
         content-disposition: form-data; name="file"
 
         hello
         --{{boundary}}--
         '''));
 
-    stream.write([104, 101, 108, 108, 111]);
-    stream.markEndOfStream();
+    stream.add([104, 101, 108, 108, 111]);
+    stream.close();
   });
 
   test('with an empty stream file', () {
     var request = new http.MultipartRequest('POST', dummyUrl);
-    var stream = new ListInputStream();
-    stream.markEndOfStream();
+    var stream = new StreamController.singleSubscription();
     request.files.add(new http.MultipartFile('file', stream, 0));
 
     expect(request, bodyMatches('''
         --{{boundary}}
         content-type: application/octet-stream
         content-disposition: form-data; name="file"
 
 
         --{{boundary}}--
         '''));
+
+    stream.close();
   });
 
   test('with a byte file', () {
     var request = new http.MultipartRequest('POST', dummyUrl);
     var file = new http.MultipartFile.fromBytes(
         'file', [104, 101, 108, 108, 111]);
     request.files.add(file);
 
     expect(request, bodyMatches('''
         --{{boundary}}
         content-type: application/octet-stream
         content-disposition: form-data; name="file"
 
         hello
         --{{boundary}}--
         '''));
   });
 }