Filter out webidl files based on special comments, and feature-gate webxr interfaces. (#34348)

* Filter out webidl files based on skip-if directives.

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

* script: Don't build XR functionality without webxr feature.

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

* Fix tidy.

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

* script: Adjust imports for file movement.

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

* Fix clippy.

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

* Formatting.

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

* Clean up webxr module import.

Co-authored-by: Samson <16504129+sagudev@users.noreply.github.com>
Signed-off-by: Josh Matthews <josh@joshmatthews.net>

---------

Signed-off-by: Josh Matthews <josh@joshmatthews.net>
Co-authored-by: Samson <16504129+sagudev@users.noreply.github.com>

components/script/dom/webxr/xrboundedreferencespace.rs

@@ -0,0 +1,91 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+use dom_struct::dom_struct;
+use js::rust::MutableHandleValue;
+
+use crate::dom::bindings::codegen::Bindings::XRBoundedReferenceSpaceBinding::XRBoundedReferenceSpaceMethods;
+use crate::dom::bindings::codegen::Bindings::XRReferenceSpaceBinding::XRReferenceSpaceType;
+use crate::dom::bindings::reflector::{reflect_dom_object, DomObject};
+use crate::dom::bindings::root::{Dom, DomRoot};
+use crate::dom::bindings::utils::to_frozen_array;
+use crate::dom::dompointreadonly::DOMPointReadOnly;
+use crate::dom::globalscope::GlobalScope;
+use crate::dom::xrreferencespace::XRReferenceSpace;
+use crate::dom::xrrigidtransform::XRRigidTransform;
+use crate::dom::xrsession::XRSession;
+use crate::script_runtime::{CanGc, JSContext};
+
+#[dom_struct]
+pub struct XRBoundedReferenceSpace {
+    reference_space: XRReferenceSpace,
+    offset: Dom<XRRigidTransform>,
+}
+
+impl XRBoundedReferenceSpace {
+    pub fn new_inherited(
+        session: &XRSession,
+        offset: &XRRigidTransform,
+    ) -> XRBoundedReferenceSpace {
+        XRBoundedReferenceSpace {
+            reference_space: XRReferenceSpace::new_inherited(
+                session,
+                offset,
+                XRReferenceSpaceType::Bounded_floor,
+            ),
+            offset: Dom::from_ref(offset),
+        }
+    }
+
+    #[allow(unused)]
+    pub fn new(
+        global: &GlobalScope,
+        session: &XRSession,
+        can_gc: CanGc,
+    ) -> DomRoot<XRBoundedReferenceSpace> {
+        let offset = XRRigidTransform::identity(global, can_gc);
+        Self::new_offset(global, session, &offset)
+    }
+
+    #[allow(unused)]
+    pub fn new_offset(
+        global: &GlobalScope,
+        session: &XRSession,
+        offset: &XRRigidTransform,
+    ) -> DomRoot<XRBoundedReferenceSpace> {
+        reflect_dom_object(
+            Box::new(XRBoundedReferenceSpace::new_inherited(session, offset)),
+            global,
+        )
+    }
+
+    pub fn reference_space(&self) -> &XRReferenceSpace {
+        &self.reference_space
+    }
+}
+
+impl XRBoundedReferenceSpaceMethods<crate::DomTypeHolder> for XRBoundedReferenceSpace {
+    /// <https://www.w3.org/TR/webxr/#dom-xrboundedreferencespace-boundsgeometry>
+    fn BoundsGeometry(&self, cx: JSContext, can_gc: CanGc, retval: MutableHandleValue) {
+        if let Some(bounds) = self.reference_space.get_bounds() {
+            let points: Vec<DomRoot<DOMPointReadOnly>> = bounds
+                .into_iter()
+                .map(|point| {
+                    DOMPointReadOnly::new(
+                        &self.global(),
+                        point.x.into(),
+                        0.0,
+                        point.y.into(),
+                        1.0,
+                        can_gc,
+                    )
+                })
+                .collect();
+
+            to_frozen_array(&points, cx, retval)
+        } else {
+            to_frozen_array::<DomRoot<DOMPointReadOnly>>(&[], cx, retval)
+        }
+    }
+}