Add blank FakeXRDeviceController interface

components/script/dom/webidls/FakeXRDeviceController.webidl

@@ -0,0 +1,49 @@
+/* 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://github.com/immersive-web/webxr-test-api/
+
+[Exposed=Window, Pref="dom.webxr.test"]
+interface FakeXRDeviceController {
+  // Creates and attaches a XRFrameOfReference of the type specified to the device.
+  // void setFrameOfReference(XRFrameOfReferenceType,  FakeXRFrameOfReferenceInit);
+
+  // // Sets the values to be used for subsequent
+  // // requestAnimationFrame() callbacks.
+  // void setViews(Array<FakeXRViewInit> views);
+
+  // void setViewerOrigin(FakeXRRigidTransform origin);
+
+  // Simulates the user activating the reset pose on a device.
+  // void simulateResetPose();
+
+  // Simulates the platform ending the sessions.
+  // void simulateForcedEndSessions();
+
+  // Simulates devices focusing and blurring sessions.
+  // void simulateBlurSession(XRSession);
+  // void simulateFocusSession(XRSession);
+
+  // void setBoundsGeometry(Array<FakeXRBoundsPoint> boundsCoodinates)l
+
+  // Promise<FakeXRInputSourceController>
+  //     simulateInputSourceConnection(FakeXRInputSourceInit);
+};
+
+dictionary FakeXRViewInit {
+  required XREye eye;
+  // https://immersive-web.github.io/webxr/#view-projection-matrix
+  required sequence<float> projectionMatrix;
+  // https://immersive-web.github.io/webxr/#view-offset
+  required FakeXRRigidTransform viewOffset;
+};
+
+dictionary FakeXRBoundsPoint {
+  double x; double z;
+};
+
+dictionary FakeXRRigidTransform {
+    required sequence<float> position;
+    required sequence<float> orientation;
+};