Redo StreamTransformers so they work with Stack traces.

sdk/lib/_collection_dev/iterable.dart

 // Copyright (c) 2011, 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._collection.dev;
 
 
 // This is a hack to make @deprecated work in dart:io. Don't remove or use this,
 // unless coordinated with either me or the core library team. Thanks!
 // TODO(ajohnsen): Remove at the 11th of August 2013.
 // TODO(ajohnsen): Remove hide in:
 //    tools/dom/templates/html/dart2js/html_dart2js.darttemplate
 //    tools/dom/templates/html/dart2js/svg_dart2js.darttemplate
 //    tools/dom/templates/html/dart2js/web_audio_dart2js.darttemplate
 //    tools/dom/templates/html/dart2js/web_gl_dart2js.darttemplate
 //    tools/dom/templates/html/dart2js/web_sql_dart2js.darttemplate
 //    tools/dom/templates/html/dartium/html_dartium.darttemplate
 //    tools/dom/templates/html/dartium/svg_dartium.darttemplate
 //    tools/dom/templates/html/dartium/web_audio_dartium.darttemplate
 //    tools/dom/templates/html/dartium/web_gl_dartium.darttemplate
 //    tools/dom/templates/html/dartium/web_sql_dartium.darttemplate
 //    sdk/lib/core/regexp.dart
 // TODO(floitsch): also used in dart:async until end of September for
 //    deprecation of runZonedExperimental.
 // TODO(floitsch): also used in dart:json and dart:utf until middle of October
 //    for deprecation of json and utf libraries.
+// TODO(floitsch): and dart:async until middle of October for deprecation of
+//    getAttachedStackTrace.
 
 // We use a random string constant to avoid it clashing with other constants.
 // This is, because we have a test that verifies that no metadata is included
 // in the output, when no mirrors need them.
 const deprecated = "qB2n4PYM";
 
 /**
  * An [Iterable] for classes that have efficient [length] and [elementAt].
  *
  * All other methods are implemented in terms of [length] and [elementAt],
@@ skipping 1057 matching lines @@
 
   static Set setDifference(Set set, Set other, Set result) {
     for (var element in set) {
       if (!other.contains(element)) {
         result.add(element);
       }
     }
     return result;
   }
 }