Convert device_sensors to use mojo.

content/browser/device_sensors/device_motion_message_filter.cc

Index: content/browser/device_sensors/device_motion_message_filter.cc
diff --git a/content/browser/device_sensors/device_motion_message_filter.cc b/content/browser/device_sensors/device_motion_message_filter.cc
deleted file mode 100644
index 58a2b514b5bccc3e8e32d3695b99061149620bd8..0000000000000000000000000000000000000000
--- a/content/browser/device_sensors/device_motion_message_filter.cc
+++ /dev/null
@@ -1,31 +0,0 @@
-// 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/common/device_sensors/device_motion_messages.h"
-
-namespace content {
-
-DeviceMotionMessageFilter::DeviceMotionMessageFilter()
-    : DeviceSensorMessageFilter(CONSUMER_TYPE_MOTION, DeviceMotionMsgStart) {}
-
-DeviceMotionMessageFilter::~DeviceMotionMessageFilter() {}
-
-bool DeviceMotionMessageFilter::OnMessageReceived(const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(DeviceMotionMessageFilter, message)
-    IPC_MESSAGE_HANDLER(DeviceMotionHostMsg_StartPolling, OnStartPolling)
-    IPC_MESSAGE_HANDLER(DeviceMotionHostMsg_StopPolling, OnStopPolling)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void DeviceMotionMessageFilter::DidStartPolling(
-    base::SharedMemoryHandle handle) {
-  Send(new DeviceMotionMsg_DidStartPolling(handle));
-}
-
-}  // namespace content