fix ClassTypeAlias extends

lib/runtime/dart/async.js

Index: lib/runtime/dart/async.js
diff --git a/lib/runtime/dart/async.js b/lib/runtime/dart/async.js
index 17c4d67954cec5993a548bb0fefcd277fcd05dcb..593138eea21c011ec31b786e184cb44f6d15e54f 100644
--- a/lib/runtime/dart/async.js
+++ b/lib/runtime/dart/async.js
@@ -3072,8 +3072,8 @@ var async;
       return null;
     }
   }
-  class _NoCallbackAsyncStreamController extends dart.mixin(_AsyncStreamControllerDispatch, _NoCallbacks) {}
-  class _NoCallbackSyncStreamController extends dart.mixin(_SyncStreamControllerDispatch, _NoCallbacks) {}
+  class _NoCallbackAsyncStreamController extends dart.mixin(_StreamController, _AsyncStreamControllerDispatch, _NoCallbacks) {}
+  class _NoCallbackSyncStreamController extends dart.mixin(_StreamController, _SyncStreamControllerDispatch, _NoCallbacks) {}
   let _NotificationHandler = dart.typedef('_NotificationHandler', () => dart.functionType(dart.dynamic, []));
   // Function _runGuarded: (() → dynamic) → Future<dynamic>
   function _runGuarded(notificationHandler) {