Don't expose nonstandard FileSystem API to Service Workers

third_party/WebKit/Source/bindings/scripts/v8_interface.py

 # Copyright (C) 2013 Google Inc. All rights reserved.
 # coding=utf-8
 #
 # 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.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 293 matching lines @@
             not attribute['is_data_type_property'] and
             attribute['should_be_exposed_to_script']
             for attribute in attributes),
         'has_attribute_configuration': any(
             not (attribute['exposed_test'] or
                  attribute['runtime_enabled_function']) and
             attribute['is_data_type_property'] and
             attribute['should_be_exposed_to_script']
             for attribute in attributes),
         'has_constructor_attributes': any(attribute['constructor_type'] for attribute in attributes),
+        'needs_constructor_setter_callback': any(attribute['constructor_type'] == attribute['name'] for attribute in attributes),
         'has_replaceable_attributes': any(attribute['is_replaceable'] for attribute in attributes),
     })
 
     # Methods
     methods = []
     if interface.original_interface:
         methods.extend([v8_methods.method_context(interface, operation, is_visible=False)
                         for operation in interface.original_interface.operations
                         if operation.name])
     methods.extend([v8_methods.method_context(interface, method)
@@ skipping 1074 matching lines @@
 
     extended_attributes = deleter.extended_attributes
     idl_type = deleter.idl_type
     is_call_with_script_state = v8_utilities.has_extended_attribute_value(deleter, 'CallWith', 'ScriptState')
     return {
         'is_call_with_script_state': is_call_with_script_state,
         'is_custom': 'Custom' in extended_attributes,
         'is_raises_exception': 'RaisesException' in extended_attributes,
         'name': cpp_name(deleter),
     }