Remove DeviceLightEvent implementation

device/sensors/data_fetcher_shared_memory_base.cc

 // 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.
 
 #include "device/sensors/data_fetcher_shared_memory_base.h"
 
 #include <stddef.h>
 #include <string.h>
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/single_thread_task_runner.h"
 #include "base/stl_util.h"
 #include "base/threading/thread.h"
 #include "base/timer/timer.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 device {
 
 namespace {
 
 size_t GetConsumerSharedMemoryBufferSize(ConsumerType consumer_type) {
   switch (consumer_type) {
     case CONSUMER_TYPE_MOTION:
       return sizeof(DeviceMotionHardwareBuffer);
     case CONSUMER_TYPE_ORIENTATION:
     case CONSUMER_TYPE_ORIENTATION_ABSOLUTE:
       return sizeof(DeviceOrientationHardwareBuffer);
-    case CONSUMER_TYPE_LIGHT:
-      return sizeof(DeviceLightHardwareBuffer);
     default:
       NOTREACHED();
   }
   return 0;
 }
 
 }  // namespace
 
 class DataFetcherSharedMemoryBase::PollingThread : public base::Thread {
  public:
@@ skipping 122 matching lines @@
 
   started_consumers_ ^= consumer_type;
 
   return true;
 }
 
 void DataFetcherSharedMemoryBase::Shutdown() {
   StopFetchingDeviceData(CONSUMER_TYPE_MOTION);
   StopFetchingDeviceData(CONSUMER_TYPE_ORIENTATION);
   StopFetchingDeviceData(CONSUMER_TYPE_ORIENTATION_ABSOLUTE);
-  StopFetchingDeviceData(CONSUMER_TYPE_LIGHT);
 
   // Ensure that the polling thread stops before entering the destructor of the
   // subclass, as the stopping of the polling thread causes tasks to execute
   // that call virtual methods of this class, which can cause crashes if they
   // execute while (or after) the subclass is being torn down.
   if (polling_thread_)
     polling_thread_->Stop();
 }
 
 mojo::ScopedSharedBufferHandle
@@ skipping 53 matching lines @@
 
 base::MessageLoop* DataFetcherSharedMemoryBase::GetPollingMessageLoop() const {
   return polling_thread_ ? polling_thread_->message_loop() : nullptr;
 }
 
 bool DataFetcherSharedMemoryBase::IsPollingTimerRunningForTesting() const {
   return polling_thread_ ? polling_thread_->IsTimerRunning() : false;
 }
 
 }  // namespace device