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

device/generic_sensor/platform_sensor_provider_mac.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 DEVICE_GENERIC_SENSOR_FAKE_PLATFORM_SENSOR_PROVIDER_H_
-#define DEVICE_GENERIC_SENSOR_FAKE_PLATFORM_SENSOR_PROVIDER_H_
+#ifndef DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_PROVIDER_MAC_H_
+#define DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_PROVIDER_MAC_H_
 
 #include "device/generic_sensor/platform_sensor_provider.h"
 
 namespace device {
 
-class FakePlatformSensorProvider : public PlatformSensorProvider {
+class PlatformSensorProviderMac : public PlatformSensorProvider {
  public:
-  FakePlatformSensorProvider();
-  ~FakePlatformSensorProvider() override;
+  PlatformSensorProviderMac();
+  ~PlatformSensorProviderMac() override;
 
-  static FakePlatformSensorProvider* GetInstance();
+  static PlatformSensorProviderMac* GetInstance();
 
  protected:
   void CreateSensorInternal(mojom::SensorType type,
                             mojo::ScopedSharedBufferMapping mapping,
                             const CreateSensorCallback& callback) override;
 
  private:
-  DISALLOW_COPY_AND_ASSIGN(FakePlatformSensorProvider);
+  DISALLOW_COPY_AND_ASSIGN(PlatformSensorProviderMac);
 };
 
 }  // namespace device
 
-#endif  // DEVICE_GENERIC_SENSOR_MOCK_PLATFORM_SENSOR_PROVIDER_H_
+#endif  // DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_PROVIDER_MAC_H_