fix ClassTypeAlias extends

lib/runtime/dart/async.js

 var async;
 (function(exports) {
   'use strict';
   // Function _invokeErrorHandler: (Function, Object, StackTrace) → dynamic
   function _invokeErrorHandler(errorHandler, error, stackTrace) {
     if (dart.is(errorHandler, ZoneBinaryCallback)) {
       return dart.dcall(errorHandler, error, stackTrace);
     } else {
       return dart.dcall(errorHandler, error);
     }
@@ skipping 3054 matching lines @@
     get [_onPause]() {
       return null;
     }
     get [_onResume]() {
       return null;
     }
     get [_onCancel]() {
       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) {
     if (notificationHandler == null)
       return null;
     try {
       let result = notificationHandler();
       if (dart.is(result, Future))
         return dart.as(result, Future);
       return null;
@@ skipping 2163 matching lines @@
   exports.ScheduleMicrotaskHandler = ScheduleMicrotaskHandler;
   exports.CreateTimerHandler = CreateTimerHandler;
   exports.CreatePeriodicTimerHandler = CreatePeriodicTimerHandler;
   exports.PrintHandler = PrintHandler;
   exports.ForkHandler = ForkHandler;
   exports.ZoneSpecification = ZoneSpecification;
   exports.ZoneDelegate = ZoneDelegate;
   exports.Zone = Zone;
   exports.runZoned = runZoned;
 })(async || (async = {}));