Revise ui::DomKey to unify character and non-character codes.

ui/events/ozone/events_ozone.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [{
     'target_name': 'events_ozone',
@@ skipping 175 matching lines @@
           'defines': [
             'USE_XKBCOMMON',
           ],
         },
         'sources': [
           'layout/xkb/scoped_xkb.h',
           'layout/xkb/xkb.h',
           'layout/xkb/xkb_evdev_codes.cc',
           'layout/xkb/xkb_evdev_codes.h',
           'layout/xkb/xkb_key_code_converter.h',
-          'layout/xkb/xkb_keyboard_code_conversion.cc',
-          'layout/xkb/xkb_keyboard_code_conversion.h',
           'layout/xkb/xkb_keyboard_layout_engine.cc',
           'layout/xkb/xkb_keyboard_layout_engine.h',
           'layout/xkb/xkb_keysym.h',
         ],
       }],
     ],
   }]
 }