3 files changed, 47 insertions, 0 deletions
diff --git a/components/script/dom/webidls/XRReferenceSpace.webidl b/components/script/dom/webidls/XRReferenceSpace.webidl
new file mode 100644
index 00000000000..5b18050dda2
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+++ b/components/script/dom/webidls/XRReferenceSpace.webidl
@@ -0,0 +1,20 @@
+/* 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/. */
+
+// https://immersive-web.github.io/webxr/#xrreferencespace-interface
+
+enum XRReferenceSpaceType {
+  "stationary",
+  "bounded",
+  "unbounded"
+};
+
+dictionary XRReferenceSpaceOptions {
+  required XRReferenceSpaceType type;
+};
+
+[SecureContext, Exposed=Window] interface XRReferenceSpace : XRSpace {
+  // attribute XRRigidTransform originOffset;
+  // attribute EventHandler onreset;
+};
diff --git a/components/script/dom/webidls/XRSpace.webidl b/components/script/dom/webidls/XRSpace.webidl
new file mode 100644
index 00000000000..9ad1d399429
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+++ b/components/script/dom/webidls/XRSpace.webidl
@@ -0,0 +1,7 @@
+/* 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/. */
+
+[SecureContext, Exposed=Window] interface XRSpace : EventTarget {
+  // XRRigidTransform? getTransformTo(XRSpace other);
+};
+\ No newline at end of file
diff --git a/components/script/dom/webidls/XRStationaryReferenceSpace.webidl b/components/script/dom/webidls/XRStationaryReferenceSpace.webidl
new file mode 100644
index 00000000000..a6b8954b885
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+++ b/components/script/dom/webidls/XRStationaryReferenceSpace.webidl
@@ -0,0 +1,20 @@
+/* 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/. */
+
+// https://immersive-web.github.io/webxr/#xrstationaryreferencespace-interface
+
+enum XRStationaryReferenceSpaceSubtype {
+  "eye-level",
+  "floor-level",
+  "position-disabled"
+};
+
+dictionary XRStationaryReferenceSpaceOptions : XRReferenceSpaceOptions {
+  required XRStationaryReferenceSpaceSubtype subtype;
+};
+
+[SecureContext, Exposed=Window]
+interface XRStationaryReferenceSpace: XRReferenceSpace {
+  // readonly attribute XRStationaryReferenceSpaceSubtype subtype;
+};
+\ No newline at end of file