Remove DeviceLightEvent implementation

device/sensors/sensor_manager_android_unittest.cc

Index: device/sensors/sensor_manager_android_unittest.cc
diff --git a/device/sensors/sensor_manager_android_unittest.cc b/device/sensors/sensor_manager_android_unittest.cc
index fc45d515043cb8f02b615670c579c625dbbda19c..620c6f9faa2fe9ecba543e24ef151b6a349998de 100644
--- a/device/sensors/sensor_manager_android_unittest.cc
+++ b/device/sensors/sensor_manager_android_unittest.cc
@@ -44,7 +44,6 @@ class FakeSensorManagerAndroid : public SensorManagerAndroid {
 class AndroidSensorManagerTest : public testing::Test {
  protected:
   AndroidSensorManagerTest() {
-    light_buffer_.reset(new DeviceLightHardwareBuffer);
     motion_buffer_.reset(new DeviceMotionHardwareBuffer);
     orientation_buffer_.reset(new DeviceOrientationHardwareBuffer);
     orientation_absolute_buffer_.reset(new DeviceOrientationHardwareBuffer);
@@ -64,7 +63,6 @@ class AndroidSensorManagerTest : public testing::Test {
     ASSERT_TRUE(buffer->data.has_gamma);
   }
 
-  std::unique_ptr<DeviceLightHardwareBuffer> light_buffer_;
   std::unique_ptr<DeviceMotionHardwareBuffer> motion_buffer_;
   std::unique_ptr<DeviceOrientationHardwareBuffer> orientation_buffer_;
   std::unique_ptr<DeviceOrientationHardwareBuffer> orientation_absolute_buffer_;
@@ -175,20 +173,6 @@ TEST_F(AndroidSensorManagerTest, DeviceOrientationAbsoluteSensorsActive) {
   ASSERT_FALSE(orientation_buffer_->data.all_available_sensors_are_active);
 }
 
-// DeviceLight
-TEST_F(AndroidSensorManagerTest, DeviceLightSensorsActive) {
-  FakeSensorManagerAndroid::Register(base::android::AttachCurrentThread());
-  FakeSensorManagerAndroid sensorManager;
-
-  sensorManager.StartFetchingDeviceLightData(light_buffer_.get());
-
-  sensorManager.GotLight(nullptr, nullptr, 100);
-  ASSERT_EQ(100, light_buffer_->data.value);
-
-  sensorManager.StopFetchingDeviceLightData();
-  ASSERT_EQ(-1, light_buffer_->data.value);
-}
-
 }  // namespace
 
 }  // namespace device