Update latest ChromeVox from upstream

chrome/third_party/chromevox/chromevox.gyp

 # Copyright 2013 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.
 
 {
   'conditions': [
     ['chromeos==1 and disable_nacl==0 and disable_nacl_untrusted==0', {
       'targets': [
         {
           'target_name': 'chromevox_resources',
@@ skipping 92 matching lines @@
               ],
             },
             {
               'destination': '<(PRODUCT_DIR)/resources/chromeos/chromevox/closure',
               'files': [
                 'closure/base.js',
                 'closure/closure_preinit.js',
               ],
             },
             {
-              'destination': '<(PRODUCT_DIR)/resources/chromeos/chromevox/extensions/searchbox',
-              'files': [
-                'extensions/searchvox/abstract_result.js',
-                'extensions/searchvox/constants.js',
-                'extensions/searchvox/context_menu.js',
-                'extensions/searchvox/results.js',
-                'extensions/searchvox/search.js',
-                'extensions/searchvox/search_tools.js',
-                'extensions/searchvox/util.js',
-              ],
-            },
-            {
               'destination': '<(PRODUCT_DIR)/resources/chromeos/chromevox/',
               'files': [
                 '_locales/',
               ],
             },
           ],
           'dependencies': [
             '../../../third_party/liblouis/liblouis_nacl.gyp:liblouis_nacl_wrapper_nacl',
           ],
         },
       ],
     }],
   ],
 }