bindings: Supports [Replaceable] accessors.

Source/bindings/templates/interface_base.cpp

Index: Source/bindings/templates/interface_base.cpp
diff --git a/Source/bindings/templates/interface_base.cpp b/Source/bindings/templates/interface_base.cpp
index b5dce157bc2d5a7edd9433e158a94e916f9d3cb2..71ea5516e54b8fdc019ea7dedab7b337250eda2c 100644
--- a/Source/bindings/templates/interface_base.cpp
+++ b/Source/bindings/templates/interface_base.cpp
@@ -64,7 +64,9 @@ static void (*{{method.name}}MethodForPartialInterface)(const v8::FunctionCallba
 {{attribute_getter(attribute, world_suffix)}}
 {% endif %}
 {{attribute_getter_callback(attribute, world_suffix)}}
-{% if not attribute.is_read_only or attribute.put_forwards %}
+{% if (not attribute.is_read_only or
+       attribute.put_forwards or
+       (attribute.is_replaceable and attribute.is_expose_js_accessors)) %}
 {% if not attribute.has_custom_setter %}
 {{attribute_setter(attribute, world_suffix)}}
 {% endif %}