Start marking functions that can transitively trigger a GC (#33144)

* Mark JS reflector wrappers as CanGc.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Propagate CanGc from reflect_dom_object_with_proto.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Mark DOM constructors as GC operations.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

---------

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

1 files changed, 15 insertions, 3 deletions

diff --git a/components/script/dom/xrlayerevent.rs b/components/script/dom/xrlayerevent.rs
index f66df786274..2ef42fba5e9 100644
--- a/components/script/dom/xrlayerevent.rs
+++ b/components/script/dom/xrlayerevent.rs
@@ -16,6 +16,7 @@ use crate::dom::bindings::str::DOMString;
 use crate::dom::event::Event;
 use crate::dom::window::Window;
 use crate::dom::xrlayer::XRLayer;
+use crate::script_runtime::CanGc;
 
 // https://w3c.github.io/uievents/#interface-uievent
 #[dom_struct]
@@ -32,18 +33,29 @@ impl XRLayerEvent {
         }
     }
 
-    fn new(window: &Window, proto: Option<HandleObject>, layer: &XRLayer) -> DomRoot<XRLayerEvent> {
-        reflect_dom_object_with_proto(Box::new(XRLayerEvent::new_inherited(layer)), window, proto)
+    fn new(
+        window: &Window,
+        proto: Option<HandleObject>,
+        layer: &XRLayer,
+        can_gc: CanGc,
+    ) -> DomRoot<XRLayerEvent> {
+        reflect_dom_object_with_proto(
+            Box::new(XRLayerEvent::new_inherited(layer)),
+            window,
+            proto,
+            can_gc,
+        )
     }
 
     #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         proto: Option<HandleObject>,
+        can_gc: CanGc,
         type_: DOMString,
         init: &XRLayerEventInit,
     ) -> DomRoot<XRLayerEvent> {
-        let event = XRLayerEvent::new(window, proto, &init.layer);
+        let event = XRLayerEvent::new(window, proto, &init.layer, can_gc);
         let type_ = Atom::from(type_);
         let bubbles = init.parent.bubbles;
         let cancelable = init.parent.cancelable;