| Index: runtime/lib/schedule_microtask_patch.dart | 
| diff --git a/runtime/lib/schedule_microtask_patch.dart b/runtime/lib/schedule_microtask_patch.dart | 
| index 739f1f8351e8a98fc0f8a74fa0c728fd83a0e12c..71ea2706e89135b4b158066c9ad38349a87a12f3 100644 | 
| --- a/runtime/lib/schedule_microtask_patch.dart | 
| +++ b/runtime/lib/schedule_microtask_patch.dart | 
| @@ -2,8 +2,10 @@ | 
| // 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. | 
|  | 
| -@patch class _AsyncRun { | 
| -  @patch static void _scheduleImmediate(void callback()) { | 
| +@patch | 
| +class _AsyncRun { | 
| +  @patch | 
| +  static void _scheduleImmediate(void callback()) { | 
| if (_ScheduleImmediate._closure == null) { | 
| throw new UnsupportedError("Microtasks are not supported"); | 
| } | 
|  |