[Bindings] Remove a redundant option write-file-if-only-changed in bindings

third_party/WebKit/Source/bindings/scripts/compute_interfaces_info_individual.py

 #!/usr/bin/python
 #
 # Copyright (C) 2013 Google Inc. 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.
@@ skipping 57 matching lines @@
     pass
 
 
 def parse_options():
     usage = 'Usage: %prog [options]'
     parser = optparse.OptionParser(usage=usage)
     parser.add_option('--cache-directory', help='cache directory')
     parser.add_option('--idl-files-list', help='file listing IDL files')
     parser.add_option('--interfaces-info-file', help='interface info pickle file')
     parser.add_option('--component-info-file', help='component wide info pickle file')
-    parser.add_option('--write-file-only-if-changed', type='int', help='if true, do not write an output file if it would be identical to the existing one, which avoids unnecessary rebuilds in ninja')
 
     options, args = parser.parse_args()
     if options.interfaces_info_file is None:
         parser.error('Must specify an output file using --interfaces-info-file.')
     if options.idl_files_list is None:
         parser.error('Must specify a file listing IDL files using --idl-files-list.')
-    if options.write_file_only_if_changed is None:
-        parser.error('Must specify whether file is only written if changed using --write-file-only-if-changed.')
-    options.write_file_only_if_changed = bool(options.write_file_only_if_changed)
     return options, args
 
 
 ################################################################################
 # Computations
 ################################################################################
 
 def relative_dir_posix(idl_filename, base_path):
     """Returns relative path to the directory of idl_file in POSIX format."""
     relative_path_local = os.path.relpath(idl_filename, base_path)
@@ skipping 255 matching lines @@
     idl_files = read_idl_files_list_from_file(options.idl_files_list, is_gyp_format=False)
 
     # Compute information for individual files
     # Information is stored in global variables interfaces_info and
     # partial_interface_files.
     info_collector = InterfaceInfoCollector(options.cache_directory)
     for idl_filename in idl_files:
         info_collector.collect_info(idl_filename)
 
     write_pickle_file(options.interfaces_info_file,
-                      info_collector.get_info_as_dict(),
-                      options.write_file_only_if_changed)
+                      info_collector.get_info_as_dict())
     write_pickle_file(options.component_info_file,
-                      info_collector.get_component_info_as_dict(),
-                      options.write_file_only_if_changed)
+                      info_collector.get_component_info_as_dict())
 
 if __name__ == '__main__':
     sys.exit(main())