bindings: Add the proper includes for unions inside records

third_party/WebKit/Source/bindings/scripts/code_generator_v8.py

 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # 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
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 54 matching lines @@
 # Make sure extension is .py, not .pyc or .pyo, so doesn't depend on caching
 MODULE_PYNAME = os.path.splitext(os.path.basename(__file__))[0] + '.py'
 
 def depending_union_type(idl_type):
     """Returns the union type name if the given idl_type depends on a
     union type.
     """
     def find_base_type(current_type):
         if current_type.is_array_or_sequence_type:
             return find_base_type(current_type.element_type)
+        if current_type.is_record_type:
+            # IdlRecordType.key_type is always a string type, so we only need
+            # to looking into value_type.
+            return find_base_type(current_type.value_type)
         if current_type.is_nullable:
             return find_base_type(current_type.inner_type)
         return current_type
     base_type = find_base_type(idl_type)
     if base_type.is_union_type:
         return base_type
     return None
 
 
 class TypedefResolver(Visitor):
@@ skipping 296 matching lines @@
         outputs = set()
         for callback_function_dict in callback_functions.itervalues():
             if callback_function_dict['component_dir'] != self.target_component:
                 continue
             callback_function = callback_function_dict['callback_function']
             if 'Custom' in callback_function.extended_attributes:
                 continue
             path = callback_function_dict['full_path']
             outputs.update(self.generate_code_internal(callback_function, path))
         return outputs