It is time.

ui/events/ozone/device/device_manager_manual.cc

-// 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_manual.h"
-
-#include "base/files/file_enumerator.h"
-#include "ui/events/ozone/device/device_event.h"
-#include "ui/events/ozone/device/device_event_observer.h"
-
-namespace ui {
-
-DeviceManagerManual::DeviceManagerManual() {}
-
-DeviceManagerManual::~DeviceManagerManual() {}
-
-void DeviceManagerManual::ScanDevices(DeviceEventObserver* observer) {
-  base::FileEnumerator file_enum(base::FilePath("/dev/input"),
-                                 false,
-                                 base::FileEnumerator::FILES,
-                                 "event*[0-9]");
-  for (base::FilePath path = file_enum.Next(); !path.empty();
-       path = file_enum.Next()) {
-    DeviceEvent event(DeviceEvent::INPUT, DeviceEvent::ADD, path);
-    observer->OnDeviceEvent(event);
-  }
-}
-
-void DeviceManagerManual::AddObserver(DeviceEventObserver* observer) {}
-
-void DeviceManagerManual::RemoveObserver(DeviceEventObserver* observer) {}
-
-}  // namespace ui