Add comments setting emacs and vim tab width and expansion variables....

chrome_frame/chrome_frame.gyp

 # Copyright (c) 2009 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': {
     'chromium_code': 1,
     'xul_sdk_dir': '../third_party/xulrunner-sdk/<(OS)',
 
     # Keep the archive builder happy.
@@ skipping 715 matching lines @@
           ],
           'process_outputs_as_sources': 1,
           'message': 'Generating version information in <(_outputs)'
         },
       ],
     },
   ],
 }
 
 # vim: shiftwidth=2:et:ai:tabstop=2
+
+# Local Variables:
+# tab-width:2
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=2 shiftwidth=2: