Refactor grit -D flags into a gyp variable so we don't

webkit/tools/test_shell/test_shell.gypi

 # Copyright (c) 2011 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': {
     'test_shell_windows_resource_files': [
       'resources/test_shell.rc',
       'resources/pan_east.cur',
       'resources/pan_middle.cur',
@@ skipping 653 matching lines @@
                 'input_path': './test_shell_resources.grd',
                 'out_dir': '<(SHARED_INTERMEDIATE_DIR)/test_shell',
               },
               'inputs': [
                 '<(input_path)',
               ],
               'outputs': [
                 '<(out_dir)/grit/test_shell_resources.h',
                 '<(out_dir)/test_shell_resources.pak',
               ],
-              'action': ['python', '<(grit_path)', '-i', '<(input_path)', 'build', '-o', '<(out_dir)'],
+              'action': ['python', '<(grit_path)',
+                  '-i', '<(input_path)',
+                  'build', '-o', '<(out_dir)',
+                  '<@(grit_defines)'],
               'message': 'Generating resources from <(input_path)',
             },
           ],
           'direct_dependent_settings': {
             'include_dirs': [
               '<(SHARED_INTERMEDIATE_DIR)/test_shell',
             ],
           },
         },
       ],
@@ skipping 45 matching lines @@
       ],
     }],
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: