Reland of [sensors] Ambient light sensor bindings implementation

third_party/WebKit/Source/modules/sensor/AmbientLightSensor.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 AmbientLightSensor_h
+#define AmbientLightSensor_h
+
+#include "modules/sensor/Sensor.h"
+
+namespace blink {
+
+class AmbientLightSensorReading;
+
+class AmbientLightSensor final : public Sensor {
+    DEFINE_WRAPPERTYPEINFO();
+public:
+    static AmbientLightSensor* create(ExecutionContext*, const SensorOptions&);
+    static AmbientLightSensor* create(ExecutionContext*);
+
+    AmbientLightSensorReading* reading() const;
+
+    DECLARE_VIRTUAL_TRACE();
+
+private:
+    AmbientLightSensor(ExecutionContext*, const SensorOptions&);
+    // Sensor overrides.
+    SensorReading* createSensorReading(SensorProxy*) override;
+    SensorConfigurationPtr createSensorConfig(const SensorOptions&, const SensorConfiguration& defaultConfig) override;
+};
+
+} // namespace blink
+
+#endif // AmbientLightSensor_h