Remove DeviceLightEvent implementation

device/sensors/data_fetcher_shared_memory.h

 // Copyright 2014 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_SENSORS_DATA_FETCHER_SHARED_MEMORY_H_
 #define DEVICE_SENSORS_DATA_FETCHER_SHARED_MEMORY_H_
 
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "device/sensors/data_fetcher_shared_memory_base.h"
 
 #if !defined(OS_ANDROID)
-#include "device/sensors/public/cpp/device_light_hardware_buffer.h"
 #include "device/sensors/public/cpp/device_motion_hardware_buffer.h"
 #include "device/sensors/public/cpp/device_orientation_hardware_buffer.h"
 #endif
 
 #if defined(OS_MACOSX)
 class SuddenMotionSensor;
 #elif defined(OS_WIN)
 #include <SensorsApi.h>
 #include "base/win/scoped_comptr.h"
 #endif
 
 namespace device {
 
 #if defined(OS_CHROMEOS)
 class SensorManagerChromeOS;
-#elif defined(OS_MACOSX)
-class AmbientLightSensor;
 #endif
 
 class DEVICE_SENSOR_EXPORT DataFetcherSharedMemory
     : public DataFetcherSharedMemoryBase {
  public:
   DataFetcherSharedMemory();
   ~DataFetcherSharedMemory() override;
 
 #if defined(OS_ANDROID)
   void Shutdown() override;
 #endif
 
  private:
   bool Start(ConsumerType consumer_type, void* buffer) override;
   bool Stop(ConsumerType consumer_type) override;
 
 #if defined(OS_LINUX) || defined(OS_MACOSX) || defined(OS_WIN)
 #if !defined(OS_CHROMEOS)
   DeviceMotionHardwareBuffer* motion_buffer_ = nullptr;
   DeviceOrientationHardwareBuffer* orientation_buffer_ = nullptr;
-  DeviceLightHardwareBuffer* light_buffer_ = nullptr;
 #endif
   DeviceOrientationHardwareBuffer* orientation_absolute_buffer_ = nullptr;
 #endif
 
 #if defined(OS_CHROMEOS)
   std::unique_ptr<SensorManagerChromeOS> sensor_manager_;
 #elif defined(OS_MACOSX)
   void Fetch(unsigned consumer_bitmask) override;
   FetcherType GetType() const override;
 
-  std::unique_ptr<AmbientLightSensor> ambient_light_sensor_;
   std::unique_ptr<SuddenMotionSensor> sudden_motion_sensor_;
 #elif defined(OS_WIN)
   class SensorEventSink;
   class SensorEventSinkMotion;
   class SensorEventSinkOrientation;
-  class SensorEventSinkLight;
 
   FetcherType GetType() const override;
 
   bool RegisterForSensor(REFSENSOR_TYPE_ID sensor_type,
                          ISensor** sensor,
                          scoped_refptr<SensorEventSink> event_sink);
   void DisableSensors(ConsumerType consumer_type);
   void SetBufferAvailableState(ConsumerType consumer_type, bool enabled);
 
   base::win::ScopedComPtr<ISensor> sensor_inclinometer_;
   base::win::ScopedComPtr<ISensor> sensor_inclinometer_absolute_;
   base::win::ScopedComPtr<ISensor> sensor_accelerometer_;
   base::win::ScopedComPtr<ISensor> sensor_gyrometer_;
-  base::win::ScopedComPtr<ISensor> sensor_light_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(DataFetcherSharedMemory);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_SENSORS_DATA_FETCHER_SHARED_MEMORY_H_