[bindings] v8_interface.py should support 'any' or 'object' in getter/setter

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 1211 matching lines @@
     if not getter:
         return None
 
     def is_null_expression(idl_type):
         if idl_type.use_output_parameter_for_result:
             return 'result.isNull()'
         if idl_type.is_string_type:
             return 'result.isNull()'
         if idl_type.is_interface_type:
             return '!result'
+        if idl_type.base_type in ('any', 'object'):
+            return 'result.isEmpty()'
         return ''
 
     idl_type = getter.idl_type
     extended_attributes = getter.extended_attributes
     is_raises_exception = 'RaisesException' in extended_attributes
     use_output_parameter_for_result = idl_type.use_output_parameter_for_result
 
     # FIXME: make more generic, so can use v8_methods.cpp_value
     cpp_method_name = 'impl->%s' % cpp_name(getter)
 
@@ skipping 54 matching lines @@
     if not deleter:
         return None
 
     idl_type = deleter.idl_type
     extended_attributes = deleter.extended_attributes
     return {
         'is_custom': 'Custom' in extended_attributes,
         'is_raises_exception': 'RaisesException' in extended_attributes,
         'name': cpp_name(deleter),
     }