webui fixes for 0.8.9

test/observe_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.
 
 /** Tests for some of the utility helper functions used by the compiler. */
 library observe_test;
 
 import 'dart:async';
 import 'dart:collection' show LinkedHashMap;
 import 'package:unittest/compact_vm_config.dart';
@@ skipping 114 matching lines @@
 
     test('unobserve one of two observers', () {
       var t = new ObservableReference<int>(123);
       ChangeUnobserver unobserve;
       unobserve = observe(() => t.value, expectAsync1((n) {
         expect(n.oldValue, 123);
         expect(n.newValue, 42);
 
         // This will not affect the other observer, so it still gets the event.
         unobserve();
-        runAsync(() => t.value = 777);
+        scheduleMicrotask(() => t.value = 777);
       }));
       int count = 0;
       observe(() => t.value + 1000, expectAsync1((n) {
         if (++count == 1) {
           expect(n.oldValue, 1123);
           expect(n.newValue, 1042);
         } else {
           expect(n.oldValue, 1042);
           expect(n.newValue, 1777);
         }
@@ skipping 724 matching lines @@
     var c = _change(123, 43);
     expect(a.hashCode, b.hashCode, reason: 'a == b');
     expect(b.hashCode, isNot(equals(c.hashCode)), reason: 'b != c');
   });
 }
 
 _change(oldValue, newValue) => new ChangeNotification(oldValue, newValue);
 
 _record(type, key, oldValue, newValue) =>
     new ChangeRecord(type, key, oldValue, newValue);