Add trait DomObjectWrap to provide WRAP function

components/script/dom/vrdisplayevent.rs

@@ -46,7 +46,6 @@ impl VRDisplayEvent {
         let ev = reflect_dom_object(
             Box::new(VRDisplayEvent::new_inherited(&display, reason)),
             global,
-            VRDisplayEventBinding::Wrap,
         );
         {
             let event = ev.upcast::<Event>();