Generic Sensor API : Ambient Light Sensor API.

third_party/WebKit/Source/modules/sensor/sensor_error_type.h

+// Copyright 2016 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.
+
+#ifndef sensor_error_type_h
+#define sensor_error_type_h
+
+namespace blink {
+
+// Error object used to create DOMExceptions when a  Sensor / LightSensor
+// request cannot be satisfied.
+enum class SensorErrorType {
+    InvalidState,
+    NotAllowed,
+    NotFound,
+    Security,
+    Type,
+};
+
+} // namespace blink
+
+#endif // sensor_error_type_h