Adapt streams for additional stackTrace argument.

tests/lib/async/stack_trace25_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.
 
 import 'package:expect/expect.dart';
 import 'package:async_helper/async_helper.dart';
 import 'dart:async';
 
 StackTrace captureStackTrace() {
   try {
     throw 0;
   } catch (e, st) {
     return st;
   }
 }
 
 main() {
   StackTrace trace = captureStackTrace();
+  var controller;
+  controller = new StreamController(onListen: () {
+    controller.addError("error", trace);
+    controller.close();
+  });
   asyncStart();
-  var f = new Future.error(499, trace);
-  f.then((_) { throw "Unreachable"; },
+  var iterator = new StreamIterator(controller.stream);
+  var future = iterator.moveNext();
+  future.then((_) { throw "unreachable"; },
     onError: (e, st) {
+      Expect.equals("error", e);
       Expect.identical(trace, st);
       asyncEnd();
     });
 }