Rework Timer interface.

sdk/lib/async/async_error.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.
 
 part of dart.async;
 
 /**
  * Error result of an asynchronous computation.
  */
 class AsyncError {
@@ skipping 41 matching lines @@
 
   throwDelayed() {
     reportError() {
       print("Uncaught Error: $error");
       if (stackTrace != null) {
         print("Stack Trace:\n$stackTrace\n");
       }
     }
 
     try {
-      new Timer(0, (_) {
+      Timer.run(() {
         reportError();
         // TODO(floitsch): we potentially want to call the global error handler
         // directly so that we can pass the stack trace.
         throw error;
       });
     } catch (e) {
       // Unfortunately there is not much more we can do...
       reportError();
     }
   }
 }