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, 9 insertions, 2 deletions

diff --git a/components/script/dom/xmlserializer.rs b/components/script/dom/xmlserializer.rs
index dfbd49e306d..aaa77cadd1c 100644
--- a/components/script/dom/xmlserializer.rs
+++ b/components/script/dom/xmlserializer.rs
@@ -13,6 +13,7 @@ use crate::dom::bindings::root::{Dom, DomRoot};
 use crate::dom::bindings::str::DOMString;
 use crate::dom::node::Node;
 use crate::dom::window::Window;
+use crate::script_runtime::CanGc;
 
 #[dom_struct]
 pub struct XMLSerializer {
@@ -28,11 +29,16 @@ impl XMLSerializer {
         }
     }
 
-    pub fn new(window: &Window, proto: Option<HandleObject>) -> DomRoot<XMLSerializer> {
+    pub fn new(
+        window: &Window,
+        proto: Option<HandleObject>,
+        can_gc: CanGc,
+    ) -> DomRoot<XMLSerializer> {
         reflect_dom_object_with_proto(
             Box::new(XMLSerializer::new_inherited(window)),
             window,
             proto,
+            can_gc,
         )
     }
 
@@ -40,8 +46,9 @@ impl XMLSerializer {
     pub fn Constructor(
         window: &Window,
         proto: Option<HandleObject>,
+        can_gc: CanGc,
     ) -> Fallible<DomRoot<XMLSerializer>> {
-        Ok(XMLSerializer::new(window, proto))
+        Ok(XMLSerializer::new(window, proto, can_gc))
     }
 }