Rename LayoutTests/imported/ -> LayoutTests/external/.

third_party/WebKit/Tools/Scripts/generate-w3c-directory-owner-json

 #!/usr/bin/python
 # Copyright 2016 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.
 
 """Converts CSV files to machine-readable JSON.
 
 Example usage:
 
 ./csv_to_json input.csv --output directory_owners.json\
@@ skipping 21 matching lines @@
     convert_csv_to_json(args.filename, args.output, args.field_names, args.skip_keys)
 
 
 def convert_csv_to_json(filename, output_filename=None, field_names=None, skip_keys=None):
     out = output_filename or (filename + '.json')
     dict_list = []
     json_file = open(out, 'w')
     with open(filename) as csv_file:
         reader = csv.DictReader(csv_file, fieldnames=field_names)
         for row in reader:
-            if not row['directory'].startswith('imported'):
+            if not row['directory'].startswith('external'):
                 continue
             if skip_keys:
                 for s in skip_keys:
                     del row[s]
             dict_list.append(row)
         json.dump(dict_list, json_file, indent=4)
 
 
 if __name__ == '__main__':
     main(sys.argv[1:])