Extract device_sensors to /device via Mojofication

content/browser/device_sensors/device_light_message_filter.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 "content/browser/device_sensors/device_light_message_filter.h"
-
-#include "content/browser/device_sensors/device_inertial_sensor_service.h"
-#include "content/common/device_sensors/device_light_messages.h"
-
-namespace content {
-
-DeviceLightMessageFilter::DeviceLightMessageFilter()
-    : BrowserMessageFilter(DeviceLightMsgStart), is_started_(false) {
-}
-
-DeviceLightMessageFilter::~DeviceLightMessageFilter() {
-  DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  if (is_started_) {
-    DeviceInertialSensorService::GetInstance()->RemoveConsumer(
-        CONSUMER_TYPE_LIGHT);
-  }
-}
-
-bool DeviceLightMessageFilter::OnMessageReceived(const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(DeviceLightMessageFilter, message)
-  IPC_MESSAGE_HANDLER(DeviceLightHostMsg_StartPolling,
-                      OnDeviceLightStartPolling)
-  IPC_MESSAGE_HANDLER(DeviceLightHostMsg_StopPolling, OnDeviceLightStopPolling)
-  IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void DeviceLightMessageFilter::OnDeviceLightStartPolling() {
-  DCHECK(!is_started_);
-  if (is_started_)
-    return;
-  is_started_ = true;
-  DeviceInertialSensorService::GetInstance()->AddConsumer(CONSUMER_TYPE_LIGHT);
-  DidStartDeviceLightPolling();
-}
-
-void DeviceLightMessageFilter::OnDeviceLightStopPolling() {
-  DCHECK(is_started_);
-  if (!is_started_)
-    return;
-  is_started_ = false;
-  DeviceInertialSensorService::GetInstance()->RemoveConsumer(
-      CONSUMER_TYPE_LIGHT);
-}
-
-void DeviceLightMessageFilter::DidStartDeviceLightPolling() {
-  Send(new DeviceLightMsg_DidStartPolling(
-      DeviceInertialSensorService::GetInstance()
-          ->GetSharedMemoryHandleForProcess(CONSUMER_TYPE_LIGHT,
-                                            PeerHandle())));
-}
-
-}  // namespace content