Make fremontcut serial by default

lib/html/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 71 matching lines @@
     'ENABLE_WEBGL',
     'ENABLE_WEB_AUDIO',
     'ENABLE_WEB_INTENTS',
     'ENABLE_WEB_SOCKETS',
     'ENABLE_WEB_TIMING',
     'ENABLE_WORKERS',
     'ENABLE_XHR_RESPONSE_BLOB',
     'ENABLE_XSLT',
 ]
 
-def build_database(idl_files, database_dir, feature_defines = None):
+def build_database(idl_files, database_dir, feature_defines=None,
+                   parallel=False):
   """This code reconstructs the FremontCut IDL database from W3C,
   WebKit and Dart IDL files."""
   current_dir = os.path.dirname(__file__)
   logging.config.fileConfig(os.path.join(current_dir, "logging.conf"))
 
   db = database.Database(database_dir)
 
   # Delete all existing IDLs in the DB.
   db.Delete()
 
@@ skipping 10 matching lines @@
       feature_defines = DEFAULT_FEATURE_DEFINES
 
   webkit_options = databasebuilder.DatabaseBuilderOptions(
       idl_syntax=idlparser.WEBKIT_SYNTAX,
       # TODO(vsm): What else should we define as on when processing IDL?
       idl_defines=webkit_defines + feature_defines,
       source='WebKit',
       source_attributes={'revision': webkit_revision})
 
   # Import WebKit IDLs.
-  builder.import_idl_files(idl_files, webkit_options)
+  builder.import_idl_files(idl_files, webkit_options, parallel)
 
   # Import Dart idl:
   dart_options = databasebuilder.DatabaseBuilderOptions(
     idl_syntax=idlparser.FREMONTCUT_SYNTAX,
     source='Dart',
     rename_operation_arguments_on_merge=True)
 
   builder.import_idl_files(
       [ os.path.join(current_dir, '..', 'idl', 'dart', 'dart.idl') ],
-      dart_options)
+      dart_options,
+      parallel)
 
   # Merging:
   builder.merge_imported_interfaces()
 
   builder.fetch_constructor_data(webkit_options)
   builder.fix_displacements('WebKit')
 
   # Cleanup:
   builder.normalize_annotations(['WebKit', 'Dart'])
 
   db.Save()
   return db
 
-def main():
+def main(parallel=False):
   current_dir = os.path.dirname(__file__)
 
   webkit_dirs = [
     'css',
     'dom',
     'fileapi',
     'html',
     'html/canvas',
     'inspector',
     'loader',
@@ skipping 35 matching lines @@
       file_name = os.path.join(dir_name, name)
       (interface, ext) = os.path.splitext(file_name)
       if ext == '.idl' and name not in ignored_idls:
         idl_files.append(file_name)
 
   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)
+  return build_database(idl_files, database_dir, parallel=parallel)
 
 if __name__ == '__main__':
   sys.exit(main())