Support arbitrary protos when wrapping DOM objects with constructors.

1 files changed, 14 insertions, 3 deletions

diff --git a/components/script/dom/transitionevent.rs b/components/script/dom/transitionevent.rs
index 2305a9489ff..9e2132b407a 100644
--- a/components/script/dom/transitionevent.rs
+++ b/components/script/dom/transitionevent.rs
@@ -9,12 +9,13 @@ use crate::dom::bindings::codegen::Bindings::TransitionEventBinding::{
 use crate::dom::bindings::error::Fallible;
 use crate::dom::bindings::inheritance::Castable;
 use crate::dom::bindings::num::Finite;
-use crate::dom::bindings::reflector::reflect_dom_object;
+use crate::dom::bindings::reflector::reflect_dom_object2;
 use crate::dom::bindings::root::DomRoot;
 use crate::dom::bindings::str::DOMString;
 use crate::dom::event::Event;
 use crate::dom::window::Window;
 use dom_struct::dom_struct;
+use js::rust::HandleObject;
 use servo_atoms::Atom;
 
 #[dom_struct]
@@ -40,7 +41,16 @@ impl TransitionEvent {
         type_: Atom,
         init: &TransitionEventInit,
     ) -> DomRoot<TransitionEvent> {
-        let ev = reflect_dom_object(Box::new(TransitionEvent::new_inherited(init)), window);
+        Self::new_with_proto(window, None, type_, init)
+    }
+
+    fn new_with_proto(
+        window: &Window,
+        proto: Option<HandleObject>,
+        type_: Atom,
+        init: &TransitionEventInit,
+    ) -> DomRoot<TransitionEvent> {
+        let ev = reflect_dom_object2(Box::new(TransitionEvent::new_inherited(init)), window, proto);
         {
             let event = ev.upcast::<Event>();
             event.init_event(type_, init.parent.bubbles, init.parent.cancelable);
@@ -51,10 +61,11 @@ impl TransitionEvent {
     #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
+        proto: Option<HandleObject>,
         type_: DOMString,
         init: &TransitionEventInit,
     ) -> Fallible<DomRoot<TransitionEvent>> {
-        Ok(TransitionEvent::new(window, Atom::from(type_), init))
+        Ok(TransitionEvent::new_with_proto(window, proto, Atom::from(type_), init))
     }
 }