[sensors] [mac] Implement ambient light sensor for macOS

content/browser/device_sensors/ambient_light_mac.h

Index: content/browser/device_sensors/ambient_light_mac.h
diff --git a/content/browser/device_sensors/ambient_light_mac.h b/content/browser/device_sensors/ambient_light_mac.h
deleted file mode 100644
index 6d4af75ce80c20c828a86d0708ec7799cb3a09b2..0000000000000000000000000000000000000000
--- a/content/browser/device_sensors/ambient_light_mac.h
+++ /dev/null
@@ -1,43 +0,0 @@
-// Copyright 2015 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 CONTENT_BROWSER_DEVICE_SENSORS_AMBIENT_LIGHT_MAC_H_
-#define CONTENT_BROWSER_DEVICE_SENSORS_AMBIENT_LIGHT_MAC_H_
-
-#include <IOKit/IOKitLib.h>
-#include <stdint.h>
-
-#include <memory>
-
-#include "base/macros.h"
-
-namespace content {
-
-// Provides an interface to retrieve ambient light data from MacBooks.
-class AmbientLightSensor {
- public:
-  // Create AmbientLightSensor object, return NULL if no valid is sensor found.
-  static std::unique_ptr<AmbientLightSensor> Create();
-
-  ~AmbientLightSensor();
-
-  // Retrieve lux values from Ambient Light Sensor.
-  bool ReadSensorValue(uint64_t lux_value[2]);
-
- private:
-  AmbientLightSensor();
-
-  // Probe the local hardware looking for Ambient Light sensor and
-  // initialize an I/O connection to it.
-  bool Init();
-
-  // IOKit connection to the local sensor.
-  io_connect_t io_connection_;
-
-  DISALLOW_COPY_AND_ASSIGN(AmbientLightSensor);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_DEVICE_SENSORS_AMBIENT_LIGHT_MAC_H_