It is time.

ui/events/ozone/device/device_manager.cc

Index: ui/events/ozone/device/device_manager.cc
diff --git a/ui/events/ozone/device/device_manager.cc b/ui/events/ozone/device/device_manager.cc
deleted file mode 100644
index bbd5d800fa52881c105e81a2b085f277978d7ed6..0000000000000000000000000000000000000000
--- a/ui/events/ozone/device/device_manager.cc
+++ /dev/null
@@ -1,23 +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 "ui/events/ozone/device/device_manager.h"
-
-#if defined(USE_UDEV)
-#include "ui/events/ozone/device/udev/device_manager_udev.h"
-#else
-#include "ui/events/ozone/device/device_manager_manual.h"
-#endif
-
-namespace ui {
-
-scoped_ptr<DeviceManager> CreateDeviceManager() {
-#if defined(USE_UDEV)
-  return scoped_ptr<DeviceManager>(new DeviceManagerUdev());
-#else
-  return scoped_ptr<DeviceManager>(new DeviceManagerManual());
-#endif
-}
-
-}  // namespace ui