It is time.

ui/events/ozone/evdev/event_device_util.h

Index: ui/events/ozone/evdev/event_device_util.h
diff --git a/ui/events/ozone/evdev/event_device_util.h b/ui/events/ozone/evdev/event_device_util.h
deleted file mode 100644
index 2b65b3bb27c5090cca8470cabef561dd254d1bee..0000000000000000000000000000000000000000
--- a/ui/events/ozone/evdev/event_device_util.h
+++ /dev/null
@@ -1,21 +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.
-
-#ifndef UI_EVENTS_OZONE_EVDEV_EVENT_DEVICE_UTIL_H_
-#define UI_EVENTS_OZONE_EVDEV_EVENT_DEVICE_UTIL_H_
-
-#include <limits.h>
-
-namespace ui {
-
-#define EVDEV_LONG_BITS (CHAR_BIT * sizeof(long))
-#define EVDEV_BITS_TO_LONGS(x) (((x) + EVDEV_LONG_BITS - 1) / EVDEV_LONG_BITS)
-
-static inline bool EvdevBitIsSet(const unsigned long* data, int bit) {
-  return data[bit / EVDEV_LONG_BITS] & (1UL << (bit % EVDEV_LONG_BITS));
-}
-
-}  // namespace ui
-
-#endif  // UI_EVENTS_OZONE_EVDEV_EVENT_DEVICE_UTIL_H_