Handle super-method call

pkg/compiler/lib/src/js_model/elements.dart

 // Copyright (c) 2017, 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.
 
 library dart2js.js_model.elements;
 
 import '../common_elements.dart';
 import '../constants/constant_system.dart';
 import '../constants/values.dart';
 import '../elements/elements.dart';
@@ skipping 699 matching lines @@
   @override
   bool get isRuntimeTypeUsed => _backendUsage.isRuntimeTypeUsed;
 
   @override
   bool get isIsolateInUse => _backendUsage.isIsolateInUse;
 
   @override
   bool get isFunctionApplyUsed => _backendUsage.isFunctionApplyUsed;
 
   @override
+  bool get isMirrorsUsed => _backendUsage.isMirrorsUsed;
+
+  @override
   bool get isNoSuchMethodUsed => _backendUsage.isNoSuchMethodUsed;
 }
 
 class JsElementEnvironment implements ElementEnvironment {
   final JsToFrontendMap _map;
   final ElementEnvironment _elementEnvironment;
 
   JsElementEnvironment(this._map, this._elementEnvironment);
 
   @override
@@ skipping 1128 matching lines @@
   @override
   ClassEntity get numClass => _map.toBackendClass(_commonElements.numClass);
 
   @override
   ClassEntity get boolClass => _map.toBackendClass(_commonElements.boolClass);
 
   @override
   FunctionEntity get throwUnsupportedError =>
       _map.toBackendMember(_commonElements.throwUnsupportedError);
 }