Fix TraversalSendMixin.visitDynamicPropertySet.

tests/compiler/dart2js/semantic_visitor_test.dart

 // Copyright (c) 2015, 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.semantics_visitor_test;
 
 import 'dart:async';
 import 'dart:mirrors';
 import 'package:async_helper/async_helper.dart';
 import 'package:expect/expect.dart';
@@ skipping 4157 matching lines @@
 
   @override
   visitDynamicPropertySet(
       SendSet node,
       Node receiver,
       Selector selector,
       Node rhs,
       arg) {
     visits.add(new Visit(VisitKind.VISIT_DYNAMIC_PROPERTY_SET,
         receiver: receiver, name: selector.name, rhs: rhs));
-    apply(receiver, arg);
+    super.visitDynamicPropertySet(node, receiver, selector, rhs, arg);
   }
 
   @override
   visitDynamicTypeLiteralGet(
       Send node,
       ConstantExpression constant,
       arg) {
     visits.add(new Visit(VisitKind.VISIT_DYNAMIC_TYPE_LITERAL_GET,
         constant: constant.getText()));
   }
@@ skipping 3224 matching lines @@
   VISIT_REQUIRED_INITIALIZING_FORMAL_DECL,
   VISIT_OPTIONAL_INITIALIZING_FORMAL_DECL,
   VISIT_NAMED_INITIALIZING_FORMAL_DECL,
 
   VISIT_UNRESOLVED_COMPOUND,
   VISIT_UNRESOLVED_PREFIX,
   VISIT_UNRESOLVED_POSTFIX,
 
   // TODO(johnniwinther): Add tests for more error cases.
 }