Rework startup-data-util.

tools/parser-shell.gyp

 # Copyright 2013 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 39 matching lines @@
       'include_dirs+': [
         '..',
       ],
       'defines': [
         # TODO(jochen): Remove again after this is globally turned on.
         'V8_IMMINENT_DEPRECATION_WARNINGS',
       ],
       'sources': [
         'parser-shell.cc',
         'shell-utils.h',
-        '../src/startup-data-util.h',
-        '../src/startup-data-util.cc',
       ],
     },
   ],
 }