Extract device_sensors to /device via Mojofication

content/browser/device_sensors/device_motion_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_motion_message_filter.h"
-
-#include "content/browser/device_sensors/device_inertial_sensor_service.h"
-#include "content/common/device_sensors/device_motion_messages.h"
-
-namespace content {
-
-DeviceMotionMessageFilter::DeviceMotionMessageFilter()
-    : BrowserMessageFilter(DeviceMotionMsgStart),
-      is_started_(false) {
-}
-
-DeviceMotionMessageFilter::~DeviceMotionMessageFilter() {
-  DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  if (is_started_)
-    DeviceInertialSensorService::GetInstance()->RemoveConsumer(
-        CONSUMER_TYPE_MOTION);
-}
-
-bool DeviceMotionMessageFilter::OnMessageReceived(const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(DeviceMotionMessageFilter, message)
-    IPC_MESSAGE_HANDLER(DeviceMotionHostMsg_StartPolling,
-                        OnDeviceMotionStartPolling)
-    IPC_MESSAGE_HANDLER(DeviceMotionHostMsg_StopPolling,
-                        OnDeviceMotionStopPolling)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void DeviceMotionMessageFilter::OnDeviceMotionStartPolling() {
-  DCHECK(!is_started_);
-  if (is_started_)
-    return;
-  is_started_ = true;
-  DeviceInertialSensorService::GetInstance()->AddConsumer(
-      CONSUMER_TYPE_MOTION);
-  DidStartDeviceMotionPolling();
-}
-
-void DeviceMotionMessageFilter::OnDeviceMotionStopPolling() {
-  DCHECK(is_started_);
-  if (!is_started_)
-    return;
-  is_started_ = false;
-  DeviceInertialSensorService::GetInstance()->RemoveConsumer(
-      CONSUMER_TYPE_MOTION);
-}
-
-void DeviceMotionMessageFilter::DidStartDeviceMotionPolling() {
-  Send(new DeviceMotionMsg_DidStartPolling(
-      DeviceInertialSensorService::GetInstance()->
-          GetSharedMemoryHandleForProcess(
-              CONSUMER_TYPE_MOTION, PeerHandle())));
-}
-
-}  // namespace content