1 files changed, 40 insertions, 6 deletions
diff --git a/components/script/dom/messageevent.rs b/components/script/dom/messageevent.rs
index c00e2bc5dec..9c2428912f8 100644
--- a/components/script/dom/messageevent.rs
+++ b/components/script/dom/messageevent.rs
@@ -9,7 +9,7 @@ use crate::dom::bindings::codegen::Bindings::MessageEventBinding::MessageEventMe
 use crate::dom::bindings::codegen::UnionTypes::WindowProxyOrMessagePortOrServiceWorker;
 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::{Dom, DomRoot};
 use crate::dom::bindings::str::DOMString;
 use crate::dom::bindings::trace::RootedTraceableBox;
@@ -24,7 +24,7 @@ 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;
 
 #[unrooted_must_root_lint::must_root]
@@ -91,8 +91,13 @@ impl MessageEvent {
     }
 
     pub fn new_uninitialized(global: &GlobalScope) -> DomRoot<MessageEvent> {
+        Self::new_uninitialized_with_proto(global, None)
+    }
+
+    fn new_uninitialized_with_proto(global: &GlobalScope, proto: Option<HandleObject>) -> DomRoot<MessageEvent> {
         MessageEvent::new_initialized(
             global,
+            proto,
             HandleValue::undefined(),
             DOMString::new(),
             None,
@@ -101,8 +106,9 @@ impl MessageEvent {
         )
     }
 
-    pub fn new_initialized(
+    fn new_initialized(
         global: &GlobalScope,
+        proto: Option<HandleObject>,
         data: HandleValue,
         origin: DOMString,
         source: Option<&WindowProxyOrMessagePortOrServiceWorker>,
@@ -115,7 +121,7 @@ impl MessageEvent {
             lastEventId,
             ports,
         ));
-        let ev = reflect_dom_object(ev, global);
+        let ev = reflect_dom_object2(ev, global, proto);
         ev.data.set(data.get());
 
         ev
@@ -132,7 +138,33 @@ impl MessageEvent {
         lastEventId: DOMString,
         ports: Vec<DomRoot<MessagePort>>,
     ) -> DomRoot<MessageEvent> {
-        let ev = MessageEvent::new_initialized(global, data, origin, source, lastEventId, ports);
+        Self::new_with_proto(
+            global,
+            None,
+            type_,
+            bubbles,
+            cancelable,
+            data,
+            origin,
+            source,
+            lastEventId,
+            ports,
+        )
+    }
+
+    fn new_with_proto(
+        global: &GlobalScope,
+        proto: Option<HandleObject>,
+        type_: Atom,
+        bubbles: bool,
+        cancelable: bool,
+        data: HandleValue,
+        origin: DOMString,
+        source: Option<&WindowProxyOrMessagePortOrServiceWorker>,
+        lastEventId: DOMString,
+        ports: Vec<DomRoot<MessagePort>>,
+    ) -> DomRoot<MessageEvent> {
+        let ev = MessageEvent::new_initialized(global, proto, data, origin, source, lastEventId, ports);
         {
             let event = ev.upcast::<Event>();
             event.init_event(type_, bubbles, cancelable);
@@ -142,11 +174,13 @@ impl MessageEvent {
 
     pub fn Constructor(
         global: &GlobalScope,
+        proto: Option<HandleObject>,
         type_: DOMString,
         init: RootedTraceableBox<MessageEventBinding::MessageEventInit>,
     ) -> Fallible<DomRoot<MessageEvent>> {
-        let ev = MessageEvent::new(
+        let ev = MessageEvent::new_with_proto(
             global,
+            proto,
             Atom::from(type_),
             init.parent.bubbles,
             init.parent.cancelable,