bindings: Supports [Replaceable] accessors.

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 290 matching lines @@
             for attribute in attributes),
         'has_attribute_configuration': any(
              not (attribute['is_expose_js_accessors'] or
                   attribute['is_static'] or
                   attribute['runtime_enabled_function'] or
                   attribute['per_context_enabled_function'])
              and attribute['should_be_exposed_to_script']
              for attribute in attributes),
         'has_conditional_attributes': has_conditional_attributes,
         'has_constructor_attributes': any(attribute['constructor_type'] for attribute in attributes),
-        'has_replaceable_attributes': any(attribute['is_replaceable'] for attribute in attributes),
+        'has_replaceable_attributes': any(
+            attribute['is_replaceable'] and
+            not attribute['is_expose_js_accessors']
+            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)
                     for method in interface.operations
@@ skipping 980 matching lines @@
     if str(idl_type) != 'boolean':
         raise Exception(
             'Only deleters with boolean type are allowed, but type is "%s"' %
             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),
     }