Remove DeviceLightEvent implementation

device/sensors/sensor_manager_android.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_SENSOR_MANAGER_ANDROID_H_
 #define DEVICE_SENSORS_SENSOR_MANAGER_ANDROID_H_
 
 #include <memory>
 
 #include "base/android/scoped_java_ref.h"
 #include "base/macros.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread_checker.h"
 #include "device/sensors/device_sensor_export.h"
 #include "device/sensors/device_sensors_consts.h"
-#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"
 
 namespace base {
 template <typename T>
 struct DefaultSingletonTraits;
 }
 
 namespace device {
 
-// Android implementation of Device {Motion|Orientation|Light} API.
+// Android implementation of Device {Motion|Orientation} API.
 //
 // Android's SensorManager has a push API, so when Got*() methods are called
 // by the system the browser process puts the received data into a shared
 // memory buffer, which is read by the renderer processes.
 class DEVICE_SENSOR_EXPORT SensorManagerAndroid {
  public:
   // Must be called at startup, before GetInstance().
   static bool Register(JNIEnv* env);
 
   // Should be called only on the UI thread.
   static SensorManagerAndroid* GetInstance();
 
   // Called from Java via JNI.
-  void GotLight(JNIEnv*,
-                const base::android::JavaParamRef<jobject>&,
-                double value);
   void GotOrientation(JNIEnv*,
                       const base::android::JavaParamRef<jobject>&,
                       double alpha,
                       double beta,
                       double gamma);
   void GotOrientationAbsolute(JNIEnv*,
                               const base::android::JavaParamRef<jobject>&,
                               double alpha,
                               double beta,
                               double gamma);
   void GotAcceleration(JNIEnv*,
                        const base::android::JavaParamRef<jobject>&,
                        double x,
                        double y,
                        double z);
   void GotAccelerationIncludingGravity(
       JNIEnv*,
       const base::android::JavaParamRef<jobject>&,
       double x,
       double y,
       double z);
   void GotRotationRate(JNIEnv*,
                        const base::android::JavaParamRef<jobject>&,
                        double alpha,
                        double beta,
                        double gamma);
 
   // Shared memory related methods.
-  void StartFetchingDeviceLightData(DeviceLightHardwareBuffer* buffer);
-  void StopFetchingDeviceLightData();
-
   void StartFetchingDeviceMotionData(DeviceMotionHardwareBuffer* buffer);
   void StopFetchingDeviceMotionData();
 
   void StartFetchingDeviceOrientationData(
       DeviceOrientationHardwareBuffer* buffer);
   void StopFetchingDeviceOrientationData();
 
   void StartFetchingDeviceOrientationAbsoluteData(
       DeviceOrientationHardwareBuffer* buffer);
   void StopFetchingDeviceOrientationAbsoluteData();
@@ skipping 29 matching lines @@
  private:
   friend struct base::DefaultSingletonTraits<SensorManagerAndroid>;
 
   enum {
     RECEIVED_MOTION_DATA_ACCELERATION = 0,
     RECEIVED_MOTION_DATA_ACCELERATION_INCL_GRAVITY = 1,
     RECEIVED_MOTION_DATA_ROTATION_RATE = 2,
     RECEIVED_MOTION_DATA_MAX = 3,
   };
 
-  void SetLightBufferValue(double lux);
-
   void CheckMotionBufferReadyToRead();
   void SetMotionBufferReadyStatus(bool ready);
   void ClearInternalMotionBuffers();
 
   // The Java provider of sensors info.
   base::android::ScopedJavaGlobalRef<jobject> device_sensors_;
   int number_active_device_motion_sensors_;
   int received_motion_data_[RECEIVED_MOTION_DATA_MAX];
 
   // Cached pointers to buffers, owned by DataFetcherSharedMemoryBase.
-  DeviceLightHardwareBuffer* device_light_buffer_;
   DeviceMotionHardwareBuffer* device_motion_buffer_;
   DeviceOrientationHardwareBuffer* device_orientation_buffer_;
   DeviceOrientationHardwareBuffer* device_orientation_absolute_buffer_;
 
   bool motion_buffer_initialized_;
   bool orientation_buffer_initialized_;
   bool orientation_absolute_buffer_initialized_;
 
-  base::Lock light_buffer_lock_;
   base::Lock motion_buffer_lock_;
   base::Lock orientation_buffer_lock_;
   base::Lock orientation_absolute_buffer_lock_;
 
   bool is_shutdown_;
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(SensorManagerAndroid);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_SENSORS_SENSOR_MANAGER_ANDROID_H_