IDL: Add PropertyBag class

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 34 matching lines @@
 import v8_methods
 import v8_types
 from v8_types import cpp_ptr_type, cpp_template_type
 import v8_utilities
 from v8_utilities import (capitalize, conditional_string, cpp_name, gc_type,
                           has_extended_attribute_value, runtime_enabled_function_name,
                           extended_attribute_value_as_list)
 
 
 INTERFACE_H_INCLUDES = frozenset([
+    'bindings/core/v8/PropertyBag.h',
     'bindings/core/v8/ScriptWrappable.h',
     'bindings/core/v8/V8Binding.h',
     'bindings/core/v8/V8DOMWrapper.h',
     'bindings/core/v8/WrapperTypeInfo.h',
     'platform/heap/Handle.h',
 ])
 INTERFACE_CPP_INCLUDES = frozenset([
     'bindings/core/v8/ExceptionState.h',
     'bindings/core/v8/V8DOMConfiguration.h',
     'bindings/core/v8/V8HiddenValue.h',
@@ skipping 1059 matching lines @@
         deleter = next(
             method
             for method in interface.operations
             if ('deleter' in method.specials and
                 len(method.arguments) == 1 and
                 str(method.arguments[0].idl_type) == 'DOMString'))
     except StopIteration:
         return None
 
     return property_deleter(deleter)