Update Dart binaries to 1.18.0-dev.4.4

tests/dartino_compiler/driver/test_control_stream.dart

 // Copyright (c) 2015, the Dartino 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.md file.
 
 import 'dart:async';
 
 import 'dart:typed_data';
 
 import 'package:expect/expect.dart';
 
 import 'package:dartino_compiler/src/hub/client_commands.dart';
 
 import 'package:dartino_compiler/src/hub/hub_main.dart';
 
 const List<int> stdinCommandData = const <int>[4, 0, 0, 0, 0, 0, 0, 0, 0];
 
 Future<Null> testControlStream() async {
-  StreamController<Uint8List> controller = new StreamController<Uint8List>();
+  StreamController<List<int>> controller = new StreamController<List<int>>();
 
   // Test that one byte at the time is handled.
   for (int byte in stdinCommandData) {
     controller.add(new Uint8List.fromList([byte]));
   }
 
   // Test that two bytes at the time are handled.
   for (int i = 0; i < stdinCommandData.length; i += 2) {
     if (i + 1 < stdinCommandData.length) {
       controller.add(
@@ skipping 28 matching lines @@
   await controller.close();
 
   List<ClientCommand> commands = await commandsFuture;
   Expect.equals(6, commands.length);
   for (ClientCommand command in commands) {
     Expect.stringEquals(
         'ClientCommand(ClientCommandCode.Stdin, [])',
         '$command');
   }
 }