CrOS: Fix the sync_unit_test build. It broke in r45725....

chrome/chrome_tests.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.
 
 {
   'variables' : {
     'browser_tests_sources_views_specific': [
       'browser/extensions/browser_action_test_util_views.cc',
       'browser/views/browser_actions_container_browsertest.cc',
     ],
@@ skipping 1748 matching lines @@
             '../build/linux/system.gyp:gtk',
             '../build/linux/system.gyp:nss',
             'packed_resources'
           ],
         }],
         ['OS=="mac"', {
           'dependencies': [
             'helper_app'
           ],
         }],
+        ['OS=="linux" and chromeos==1', {
+          'include_dirs': [
+            '<(grit_out_dir)',
+          ],
+        }],
       ],
     },
     {
       'target_name': 'sync_integration_tests',
       'type': 'executable',
       'dependencies': [
         'browser',
         'chrome',
         'chrome_resources',
         'common',
@@ skipping 458 matching lines @@
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: