Move the keyboard files from base/ to app/.

base/base.gypi

 # Copyright (c) 2010 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.
 
 {
   'target_defaults': {
     'variables': {
       'base_target': 0,
       'base_extra_target': 0,
     },
@@ skipping 52 matching lines @@
           'dir_reader_fallback.h',
           'dir_reader_linux.h',
           'dir_reader_posix.h',
           'environment.cc',
           'environment.h',
           'event_trace_consumer_win.h',
           'event_trace_controller_win.cc',
           'event_trace_controller_win.h',
           'event_trace_provider_win.cc',
           'event_trace_provider_win.h',
-          'event_synthesis_gtk.cc',
-          'event_synthesis_gtk.h',
           'file_path.cc',
           'file_path.h',
           'file_util.cc',
           'file_util.h',
           'file_util_deprecated.h',
           'file_util_linux.cc',
           'file_util_mac.mm',
           'file_util_posix.cc',
           'file_util_win.cc',
           'file_util_proxy.cc',
@@ skipping 346 matching lines @@
           'field_trial.cc',
           'field_trial.h',
           'file_descriptor_shuffle.cc',
           'file_descriptor_shuffle.h',
           'hmac.h',
           'hmac_mac.cc',
           'hmac_nss.cc',
           'hmac_win.cc',
           'image_util.cc',
           'image_util.h',
-          'keyboard_code_conversion.cc',
-          'keyboard_code_conversion.h',
-          'keyboard_code_conversion_gtk.cc',
-          'keyboard_code_conversion_gtk.h',
-          'keyboard_code_conversion_mac.mm',
-          'keyboard_code_conversion_mac.h',
-          'keyboard_codes.h',
-          'keyboard_codes_win.h',
-          'keyboard_codes_posix.h',
           'linux_util.cc',
           'linux_util.h',
           'md5.cc',
           'md5.h',
           'message_pump_glib.cc',
           'message_pump_glib.h',
           'message_pump_libevent.cc',
           'message_pump_libevent.h',
           'message_pump_mac.h',
           'message_pump_mac.mm',
@@ skipping 301 matching lines @@
             'third_party/xdg_mime/xdgmimemagic.c',
             'third_party/xdg_mime/xdgmimemagic.h',
             'third_party/xdg_mime/xdgmimeparent.c',
             'third_party/xdg_mime/xdgmimeparent.h',
           ],
         },
       ],
     }],
   ],
 }