Remove DeviceLightEvent implementation

services/device/device_service.cc

 // 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.
 
 #include "services/device/device_service.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/feature_list.h"
@@ skipping 69 matching lines @@
 #endif
 
 DeviceService::~DeviceService() {
 #if !defined(OS_ANDROID)
   device::BatteryStatusService::GetInstance()->Shutdown();
 #endif
 }
 
 void DeviceService::OnStart() {
   registry_.AddInterface<mojom::Fingerprint>(this);
-  registry_.AddInterface<mojom::LightSensor>(this);
   registry_.AddInterface<mojom::MotionSensor>(this);
   registry_.AddInterface<mojom::OrientationSensor>(this);
   registry_.AddInterface<mojom::OrientationAbsoluteSensor>(this);
   registry_.AddInterface<mojom::PowerMonitor>(this);
   registry_.AddInterface<mojom::ScreenOrientationListener>(this);
   if (base::FeatureList::IsEnabled(features::kGenericSensor)) {
     registry_.AddInterface<mojom::SensorProvider>(this);
   }
   registry_.AddInterface<mojom::TimeZoneMonitor>(this);
   registry_.AddInterface<mojom::WakeLockContextProvider>(this);
@@ skipping 29 matching lines @@
   VibrationManagerImpl::Create(std::move(request));
 }
 #endif
 
 void DeviceService::Create(const service_manager::Identity& remote_identity,
                            mojom::FingerprintRequest request) {
   Fingerprint::Create(std::move(request));
 }
 
 void DeviceService::Create(const service_manager::Identity& remote_identity,
-                           mojom::LightSensorRequest request) {
-#if defined(OS_ANDROID)
-  // On Android the device sensors implementations need to run on the UI thread
-  // to communicate to Java.
-  DeviceLightHost::Create(std::move(request));
-#else
-  // On platforms other than Android the device sensors implementations run on
-  // the IO thread.
-  if (io_task_runner_) {
-    io_task_runner_->PostTask(FROM_HERE, base::Bind(&DeviceLightHost::Create,
-                                                    base::Passed(&request)));
-  }
-#endif  // defined(OS_ANDROID)
-}
-
-void DeviceService::Create(const service_manager::Identity& remote_identity,
                            mojom::MotionSensorRequest request) {
 #if defined(OS_ANDROID)
   // On Android the device sensors implementations need to run on the UI thread
   // to communicate to Java.
   DeviceMotionHost::Create(std::move(request));
 #else
   // On platforms other than Android the device sensors implementations run on
   // the IO thread.
   if (io_task_runner_) {
     io_task_runner_->PostTask(FROM_HERE, base::Bind(&DeviceMotionHost::Create,
@@ skipping 89 matching lines @@
     java_interface_provider_.Bind(std::move(provider));
 
     java_interface_provider_initialized_ = true;
   }
 
   return &java_interface_provider_;
 }
 #endif
 
 }  // namespace device