Add second argument to Future error handlers.

sdk/lib/async/stream_controller.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;
 
 // -------------------------------------------------------------------
 // Controller for creating and adding events to a stream.
 // -------------------------------------------------------------------
 
@@ skipping 561 matching lines @@
 typedef _NoCallbackSyncStreamController/*<T>*/ = _StreamController/*<T>*/
        with _SyncStreamControllerDispatch/*<T>*/, _NoCallbacks;
 
 typedef void _NotificationHandler();
 
 void _runGuarded(_NotificationHandler notificationHandler) {
   if (notificationHandler == null) return;
   try {
     notificationHandler();
   } catch (e, s) {
-    Zone.current.handleUncaughtError(_asyncError(e, s));
+    Zone.current.handleUncaughtError(_asyncError(e, s), s);
   }
 }
 
 class _ControllerStream<T> extends _StreamImpl<T> {
   _StreamControllerLifecycle<T> _controller;
 
   _ControllerStream(this._controller);
 
   StreamSubscription<T> _createSubscription(
       void onData(T data),
@@ skipping 93 matching lines @@
   var varData;
 
   _StreamControllerAddStreamState(_StreamController controller,
                                   this.varData,
                                   Stream source) : super(controller, source) {
     if (controller.isPaused) {
       addSubscription.pause();
     }
   }
 }