Generic Sensor API : Ambient Light Sensor API.

third_party/WebKit/Source/modules/sensor/AmbientLightSensorReading.cpp

+// 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.
+
+#include "modules/sensor/AmbientLightSensorReading.h"
+
+#include <limits>
+
+namespace blink {
+
+AmbientLightSensorReading::AmbientLightSensorReading()
+    : m_illuminance(std::numeric_limits<double>::infinity())
+{
+}
+
+AmbientLightSensorReading::AmbientLightSensorReading(bool providesTimeStamp, DOMHighResTimeStamp timeStamp, double illuminanace)
+    : SensorReading(providesTimeStamp, timeStamp)
+    , m_illuminance(illuminanace)
+{
+}
+
+AmbientLightSensorReading::~AmbientLightSensorReading()
+{
+}
+
+DOMHighResTimeStamp AmbientLightSensorReading::timeStamp()
+{
+    bool isNull;
+    return SensorReading::timeStamp(isNull);
+}
+
+DEFINE_TRACE(AmbientLightSensorReading)
+{
+    SensorReading::trace(visitor);
+}
+
+} // namespace blink