XKB implementation of Ozone key layout.

ui/ozone/platform/dri/gbm.gypi

 # 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': {
     'internal_ozone_platform_deps': [
       'ozone_platform_gbm',
     ],
     'internal_ozone_platforms': [
       'gbm',
     ],
+    'use_xkbcommon': 1,
   },
   'targets': [
     {
       'target_name': 'ozone_platform_gbm',
       'type': 'static_library',
       'dependencies': [
         '../../base/base.gyp:base',
         '../../build/linux/system.gyp:libdrm',
         '../../build/linux/system.gyp:gbm',
         '../../skia/skia.gyp:skia',
@@ skipping 18 matching lines @@
         'gbm_surfaceless.cc',
         'gbm_surfaceless.h',
         'gbm_surface_factory.cc',
         'gbm_surface_factory.h',
         'ozone_platform_gbm.cc',
         'ozone_platform_gbm.h',
       ],
     },
   ],
 }