Convert device_sensors to use mojo.

content/browser/device_sensors/device_light_message_filter.cc

Index: content/browser/device_sensors/device_light_message_filter.cc
diff --git a/content/browser/device_sensors/device_light_message_filter.cc b/content/browser/device_sensors/device_light_message_filter.cc
deleted file mode 100644
index dda05a86aa81490300ab7928e84583784b78bfb2..0000000000000000000000000000000000000000
--- a/content/browser/device_sensors/device_light_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_light_message_filter.h"
-
-#include "content/common/device_sensors/device_light_messages.h"
-
-namespace content {
-
-DeviceLightMessageFilter::DeviceLightMessageFilter()
-    : DeviceSensorMessageFilter(CONSUMER_TYPE_LIGHT, DeviceLightMsgStart) {}
-
-DeviceLightMessageFilter::~DeviceLightMessageFilter() {}
-
-bool DeviceLightMessageFilter::OnMessageReceived(const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(DeviceLightMessageFilter, message)
-  IPC_MESSAGE_HANDLER(DeviceLightHostMsg_StartPolling, OnStartPolling)
-  IPC_MESSAGE_HANDLER(DeviceLightHostMsg_StopPolling, OnStopPolling)
-  IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void DeviceLightMessageFilter::DidStartPolling(
-    base::SharedMemoryHandle handle) {
-  Send(new DeviceLightMsg_DidStartPolling(handle));
-}
-
-}  // namespace content