Convert device_sensors to use mojo.

content/browser/device_sensors/device_sensor_message_filter.cc

Index: content/browser/device_sensors/device_sensor_message_filter.cc
diff --git a/content/browser/device_sensors/device_sensor_message_filter.cc b/content/browser/device_sensors/device_sensor_message_filter.cc
deleted file mode 100644
index cb9e9e592a44005de2fe5110721dcfafa44cfb45..0000000000000000000000000000000000000000
--- a/content/browser/device_sensors/device_sensor_message_filter.cc
+++ /dev/null
@@ -1,44 +0,0 @@
-// 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 "content/browser/device_sensors/device_sensor_message_filter.h"
-
-#include "content/browser/device_sensors/device_inertial_sensor_service.h"
-
-namespace content {
-
-DeviceSensorMessageFilter::DeviceSensorMessageFilter(
-    ConsumerType consumer_type, uint32_t message_class_to_filter)
-    : BrowserMessageFilter(message_class_to_filter),
-      consumer_type_(consumer_type),
-      is_started_(false) {
-}
-
-DeviceSensorMessageFilter::~DeviceSensorMessageFilter() {
-  DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  if (is_started_)
-    DeviceInertialSensorService::GetInstance()->RemoveConsumer(consumer_type_);
-}
-
-void DeviceSensorMessageFilter::OnStartPolling() {
-  DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  DCHECK(!is_started_);
-  if (is_started_)
-    return;
-  is_started_ = true;
-  DeviceInertialSensorService::GetInstance()->AddConsumer(consumer_type_);
-  DidStartPolling(DeviceInertialSensorService::GetInstance()->
-      GetSharedMemoryHandleForProcess(consumer_type_, PeerHandle()));
-}
-
-void DeviceSensorMessageFilter::OnStopPolling() {
-  DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  DCHECK(is_started_);
-  if (!is_started_)
-    return;
-  is_started_ = false;
-  DeviceInertialSensorService::GetInstance()->RemoveConsumer(consumer_type_);
-}
-
-}  // namespace content