1 files changed, 20 insertions, 5 deletions

diff --git a/components/script/dom/promiserejectionevent.rs b/components/script/dom/promiserejectionevent.rs
index 92d67725ca0..c136cf8d46a 100644
--- a/components/script/dom/promiserejectionevent.rs
+++ b/components/script/dom/promiserejectionevent.rs
@@ -7,7 +7,7 @@ use crate::dom::bindings::codegen::Bindings::PromiseRejectionEventBinding;
 use crate::dom::bindings::codegen::Bindings::PromiseRejectionEventBinding::PromiseRejectionEventMethods;
 use crate::dom::bindings::error::Fallible;
 use crate::dom::bindings::inheritance::Castable;
-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::bindings::trace::RootedTraceableBox;
@@ -18,7 +18,7 @@ use crate::script_runtime::JSContext;
 use dom_struct::dom_struct;
 use js::jsapi::Heap;
 use js::jsval::JSVal;
-use js::rust::HandleValue;
+use js::rust::{HandleObject, HandleValue};
 use servo_atoms::Atom;
 use std::rc::Rc;
 
@@ -41,7 +41,6 @@ impl PromiseRejectionEvent {
         }
     }
 
-    #[allow(unrooted_must_root)]
     pub fn new(
         global: &GlobalScope,
         type_: Atom,
@@ -50,9 +49,23 @@ impl PromiseRejectionEvent {
         promise: Rc<Promise>,
         reason: HandleValue,
     ) -> DomRoot<Self> {
-        let ev = reflect_dom_object(
+        Self::new_with_proto(global, None, type_, bubbles, cancelable, promise, reason)
+    }
+
+    #[allow(unrooted_must_root)]
+    fn new_with_proto(
+        global: &GlobalScope,
+        proto: Option<HandleObject>,
+        type_: Atom,
+        bubbles: EventBubbles,
+        cancelable: EventCancelable,
+        promise: Rc<Promise>,
+        reason: HandleValue,
+    ) -> DomRoot<Self> {
+        let ev = reflect_dom_object2(
             Box::new(PromiseRejectionEvent::new_inherited(promise)),
             global,
+            proto,
         );
 
         {
@@ -67,6 +80,7 @@ impl PromiseRejectionEvent {
     #[allow(unrooted_must_root, non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
+        proto: Option<HandleObject>,
         type_: DOMString,
         init: RootedTraceableBox<PromiseRejectionEventBinding::PromiseRejectionEventInit>,
     ) -> Fallible<DomRoot<Self>> {
@@ -75,8 +89,9 @@ impl PromiseRejectionEvent {
         let bubbles = EventBubbles::from(init.parent.bubbles);
         let cancelable = EventCancelable::from(init.parent.cancelable);
 
-        let event = PromiseRejectionEvent::new(
+        let event = PromiseRejectionEvent::new_with_proto(
             global,
+            proto,
             Atom::from(type_),
             bubbles,
             cancelable,