| Index: Source/bindings/scripts/v8_types.py
 | 
| diff --git a/Source/bindings/scripts/v8_types.py b/Source/bindings/scripts/v8_types.py
 | 
| index 8f03281de857e011983d4ca8b23338d6daf9e9aa..eedd1e46ffcc382849130ed6c99b35a512de166c 100644
 | 
| --- a/Source/bindings/scripts/v8_types.py
 | 
| +++ b/Source/bindings/scripts/v8_types.py
 | 
| @@ -439,7 +439,8 @@ def impl_includes_for_type(idl_type, interfaces_info):
 | 
|          includes_for_type.add('wtf/text/WTFString.h')
 | 
|      if base_idl_type in interfaces_info:
 | 
|          interface_info = interfaces_info[idl_type.base_type]
 | 
| -        includes_for_type.add(interface_info['include_path'])
 | 
| +        if interface_info['include_path']:
 | 
| +            includes_for_type.add(interface_info['include_path'])
 | 
|      if base_idl_type in INCLUDES_FOR_TYPE:
 | 
|          includes_for_type.update(INCLUDES_FOR_TYPE[base_idl_type])
 | 
|      if idl_type.is_typed_array:
 | 
| 
 |