Cleanup old phasing code.

lib/dom/scripts/fremontcutbuilder.py

 #!/usr/bin/python
 # Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 import database
 import databasebuilder
 import idlparser
 import logging.config
 import os.path
@@ skipping 112 matching lines @@
         'SharedWorkerContext': 'SharedWorkerGlobalScope',
         'WorkerContext': 'WorkerGlobalScope',
       })
 
   optional_argument_whitelist = [
       ('CSSStyleDeclaration', 'setProperty', 'priority'),
       ('IDBDatabase', 'transaction', 'mode'),
       ]
 
   # Import WebKit IDLs.
-  if isinstance(idl_files, list):
-    for file_name in idl_files:
-      builder.import_idl_file(file_name, webkit_options)
-  else:
-    idl_list_file = open(idl_files, 'r')
-    for file_name in idl_list_file:
-      file_name = file_name.strip()
-      idl_file_name = os.path.join(os.path.dirname(idl_files), file_name)
-      builder.import_idl_file(idl_file_name, webkit_options)
-    idl_list_file.close()
+  for file_name in idl_files:
+    builder.import_idl_file(file_name, webkit_options)
 
   # Import Dart idl:
   dart_options = databasebuilder.DatabaseBuilderOptions(
     idl_syntax=idlparser.FREMONTCUT_SYNTAX,
     source='Dart',
     rename_operation_arguments_on_merge=True)
 
   builder.import_idl_file(
       os.path.join(current_dir, '..', 'idl', 'dart', 'dart.idl'),
       dart_options)
@@ skipping 58 matching lines @@
 
   for dir_name in webkit_dirs:
     dir_path = os.path.join(webcore_dir, dir_name)
     os.path.walk(dir_path, visitor, None)
 
   database_dir = os.path.join(current_dir, '..', 'database')
   return build_database(idl_files, database_dir)
 
 if __name__ == '__main__':
   sys.exit(main())