Mark VoidCallback as a [Callback]

client/dom/generated/monkey_dom.js

Index: client/dom/generated/monkey_dom.js
diff --git a/client/dom/generated/monkey_dom.js b/client/dom/generated/monkey_dom.js
index 52dba04fafc05e0683684396a83ea577f5c11965..e796afd2428df084b3e4cc51f0ee56aa1c4253d9 100644
--- a/client/dom/generated/monkey_dom.js
+++ b/client/dom/generated/monkey_dom.js
@@ -7666,12 +7666,6 @@ function DOM$fixClass$ValidityState(c) {
   }
   c.$implements$ValidityState$Dart = 1;
 }
-function DOM$fixClass$VoidCallback(c) {
-  if (c.prototype) {
-  }
-  DOM$fixMembers(c, ['handleEvent']);
-  c.$implements$VoidCallback$Dart = 1;
-}
 function DOM$fixClass$WaveShaperNode(c) {
   if (c.prototype) {
     c.prototype.curve$getter = function() { return DOM$EnsureDartNull(this.curve); };
@@ -10215,10 +10209,6 @@ var _;
     w.ValidityState$Dart = _;
     DOM$fixClass$ValidityState(_);
   }
-  if ((_ = w.VoidCallback)) {
-    w.VoidCallback$Dart = _;
-    DOM$fixClass$VoidCallback(_);
-  }
   if ((_ = w.WaveShaperNode)) {
     w.WaveShaperNode$Dart = _;
     DOM$fixClass$WaveShaperNode(_);