webui fixes for 0.8.9

example/wiki_css/build.dart

Index: example/wiki_css/build.dart
diff --git a/example/wiki_css/build.dart b/example/wiki_css/build.dart
index 0b028b2e14d7295b4d867e1dc704333f85bfe1f6..3b9c7f32d792f9439d5edfa80f3e4c3d59419747 100644
--- a/example/wiki_css/build.dart
+++ b/example/wiki_css/build.dart
@@ -3,11 +3,9 @@
 // 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.
 
-import 'dart:io';
 import 'package:web_ui/component_build.dart';
 
-void main() {
-  var args = new Options().arguments;
+void main(args) {
   args.addAll(['--', '--no-css-mangle', '--css-reset', 'web/reset.css',
                    '--warnings_as_errors', '--verbose']);
   build(args, ['web/index.html']);