[Sensors] Implement bindings for AbsoluteOrientationSensor

third_party/WebKit/Source/modules/sensor/OrientationSensor.idl

Index: third_party/WebKit/Source/modules/sensor/OrientationSensor.idl
diff --git a/third_party/WebKit/Source/modules/sensor/OrientationSensor.idl b/third_party/WebKit/Source/modules/sensor/OrientationSensor.idl
new file mode 100644
index 0000000000000000000000000000000000000000..98692644d44a95471560c66e3df30038dfc48b2c
--- /dev/null
+++ b/third_party/WebKit/Source/modules/sensor/OrientationSensor.idl
@@ -0,0 +1,13 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Specification at:
+// https://w3c.github.io/orientation-sensor/
+
+[
+    RuntimeEnabled=Sensor,
+] interface OrientationSensor : Sensor {
+    [CachedAttribute=isReadingDirty] readonly attribute FrozenArray<double>? quaternion;
+    [RaisesException] void populateMatrix(Float32Array targetBuffer);
+};