ui/base: Clean up our AcceleratorGtk class.

ui/base/keycodes/keyboard_codes_win.h

 // Copyright (c) 2012 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_BASE_KEYCODES_KEYBOARD_CODES_WIN_H_
 #define UI_BASE_KEYCODES_KEYBOARD_CODES_WIN_H_
 #pragma once
 
 #include <windows.h>
 #include <ime.h>
 
 namespace ui {
 
-typedef enum {
+enum KeyboardCode {
   VKEY_BACK = VK_BACK,
   VKEY_TAB = VK_TAB,
   VKEY_CLEAR = VK_CLEAR,
   VKEY_RETURN = VK_RETURN,
   VKEY_SHIFT = VK_SHIFT,
   VKEY_CONTROL = VK_CONTROL,
   VKEY_MENU = VK_MENU,  // a.k.a. ALT
   VKEY_PAUSE = VK_PAUSE,
   VKEY_CAPITAL = VK_CAPITAL,
   VKEY_KANA = VK_KANA,
@@ skipping 150 matching lines @@
   VKEY_ATTN = VK_ATTN,
   VKEY_CRSEL = VK_CRSEL,
   VKEY_EXSEL = VK_EXSEL,
   VKEY_EREOF = VK_EREOF,
   VKEY_PLAY = VK_PLAY,
   VKEY_ZOOM = VK_ZOOM,
   VKEY_NONAME = VK_NONAME,
   VKEY_PA1 = VK_PA1,
   VKEY_OEM_CLEAR = VK_OEM_CLEAR,
   VKEY_UNKNOWN = 0
-} KeyboardCode;
+};
 
 }  // namespace ui
 
 #endif  // UI_BASE_KEYCODES_KEYBOARD_CODES_WIN_H_