Cleanup of isolate.status (first step)

tests/isolate/isolate_stress_test.dart

 // Copyright (c) 2013, 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.
 
 // This test creates a lot of isolates.  This is meant to exhaust
 // resources if the isolates aren't closed correctly (which happened
 // in dart2js).
 
 import 'dart:async';
 import 'dart:isolate';
 
-// TODO(ahe): Remove this import when we have wrapper-less testing.
+// TODO(12588): Remove this import when we have wrapper-less testing.
 import 'dart:html';
 
 worker() {
   port.receive((String uri, SendPort replyTo) {
     replyTo.send('Hello from Worker');
     port.close();
   });
 }
 
 main() {
@@ skipping 14 matching lines @@
       window.postMessage('unittest-suite-success', '*');
       return;
     }
     spawnFunction(worker).call('').then(spawnMany);
     print('isolateCount = $isolateCount');
   }
 
   spawnMany('Hello from Worker');
   window.postMessage('unittest-suite-wait-for-done', '*');
 }