Mark VoidCallback as a [Callback]

client/dom/frog/frog_dom.dart

Index: client/dom/frog/frog_dom.dart
diff --git a/client/dom/frog/frog_dom.dart b/client/dom/frog/frog_dom.dart
index ec04f086d78b3866b43f9c4c5e2a13ab7a0e7ee3..08febfecd5f33eb41c7bc53e988af469a1c8d01e 100644
--- a/client/dom/frog/frog_dom.dart
+++ b/client/dom/frog/frog_dom.dart
@@ -9489,15 +9489,6 @@ class ValidityState native "*ValidityState" {
   String get typeName() native;
 }
 
-class VoidCallback native "*VoidCallback" {
-
-  void handleEvent() native;
-
-  var dartObjectLocalStorage;
-
-  String get typeName() native;
-}
-
 class WaveShaperNode extends AudioNode native "*WaveShaperNode" {
 
   Float32Array curve;
@@ -11330,6 +11321,13 @@ typedef bool StringCallback(String data);
 // 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.
 
+// WARNING: Do not edit - generated code.
+
+typedef void VoidCallback();
+// 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.
+
 typedef void EventListener(Event event);
 // 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