···430430 pub(crate) fn sandboxing_flag_set(&self) -> SandboxingFlagSet {
431431 self.sandboxing_flag_set
432432 .get()
433433-@@ -1014,6 +1351,85 @@
433433+@@ -1018,6 +1355,85 @@
434434435435 // https://html.spec.whatwg.org/multipage/#attr-iframe-loading
436436 make_setter!(SetLoading, "loading");
···516516 }
517517518518 impl VirtualMethods for HTMLIFrameElement {
519519-@@ -1069,10 +1485,38 @@
519519+@@ -1073,10 +1489,38 @@
520520 // is in a document tree and has a browsing context, which is what causes
521521 // the child browsing context to be created.
522522 if self.upcast::<Node>().is_connected_with_browsing_context() {
···557557 local_name!("loading") => {
558558 // https://html.spec.whatwg.org/multipage/#attr-iframe-loading
559559 // > When the loading attribute's state is changed to the Eager state, the user agent must run these steps:
560560-@@ -1135,6 +1579,23 @@
560560+@@ -1139,6 +1583,23 @@
561561562562 debug!("<iframe> running post connection steps");
563563···581581 // Step 1. Create a new child navigable for insertedNode.
582582 self.create_nested_browsing_context(cx);
583583584584-@@ -1158,11 +1619,25 @@
584584+@@ -1162,11 +1623,25 @@
585585 fn unbind_from_tree(&self, context: &UnbindContext, can_gc: CanGc) {
586586 self.super_type().unwrap().unbind_from_tree(context, can_gc);
587587