Fix double-close in EventConverterEvdevImpl

ui/events/ozone/evdev/scoped_input_device.h

+// Copyright 2017 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_SCOPED_INPUT_DEVICE_H_
+#define UI_EVENTS_OZONE_EVDEV_SCOPED_INPUT_DEVICE_H_
+
+#include "base/scoped_generic.h"
+
+namespace ui {
+namespace internal {
+
+struct ScopedInputDeviceCloseTraits {
+  static int InvalidValue() { return -1; }
+  static void Free(int fd);
+};
+
+}  // namespace internal
+
+typedef base::ScopedGeneric<int, internal::ScopedInputDeviceCloseTraits>
+    ScopedInputDevice;
+
+}  // namespace ui
+
+#endif  // UI_EVENTS_OZONE_EVDEV_SCOPED_INPUT_DEVICE_H_