Support standard keyboard keys emulated by the braille drivers.

build/linux/system.gyp

 # 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.
 
 {
   'variables': {
     'conditions': [
       ['sysroot!=""', {
         'pkg-config': '<(chroot_cmd) ./pkg-config-wrapper "<(sysroot)" "<(target_arch)" "<(system_libdir)"',
         # libgcrypt-config-wrapper invokes libgcrypt-config directly from the 
@@ skipping 728 matching lines @@
           ],
           'action': ['python',
                      '<(generator)',
                      '--name', 'LibBrlapiLoader',
                      '--output-h', '<(output_h)',
                      '--output-cc', '<(output_cc)',
                      '--header', '<brlapi.h>',
                      '--link-directly=<(linux_link_libbrlapi)',
                      'brlapi_getHandleSize',
                      'brlapi_error_location',
-                     'brlapi_expandKeyCode',
                      'brlapi_strerror',
                      'brlapi__acceptKeys',
                      'brlapi__openConnection',
                      'brlapi__closeConnection',
                      'brlapi__getDisplaySize',
                      'brlapi__enterTtyModeWithPath',
                      'brlapi__leaveTtyMode',
                      'brlapi__writeDots',
                      'brlapi__readKey',
           ],
@@ skipping 284 matching lines @@
             ],
             'libraries': [
               '<!@(<(pkg-config) --libs-only-l libudev)',
             ],
           },
         }],
       ],
     },
   ],
 }