script: Move code generation and webidl files to new script_bindings crate. (#35157)

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

components/script_bindings/webidls/XRReferenceSpace.webidl

@@ -0,0 +1,22 @@
+/* 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/. */
+
+// skip-unless CARGO_FEATURE_WEBXR
+
+// https://immersive-web.github.io/webxr/#xrreferencespace-interface
+
+enum XRReferenceSpaceType {
+  "viewer",
+  "local",
+  "local-floor",
+  "bounded-floor",
+  "unbounded"
+};
+
+[SecureContext, Exposed=Window, Pref="dom_webxr_enabled"]
+interface XRReferenceSpace : XRSpace {
+  [NewObject] XRReferenceSpace getOffsetReferenceSpace(XRRigidTransform originOffset);
+
+  attribute EventHandler onreset;
+};