Support deprecation + use counters for constructor attributes.

Source/bindings/templates/interface.cpp

 {% extends 'interface_base.cpp' %}
 
 
 {##############################################################################}
 {% macro attribute_configuration(attribute) %}
 {% set getter_callback =
        '%sV8Internal::%sAttributeGetterCallback' %
             (cpp_class, attribute.name)
        if not attribute.constructor_type else
-       '{0}V8Internal::{0}ConstructorGetter'.format(cpp_class) %}
+       ('%sV8Internal::%sConstructorGetterCallback' %
+            (cpp_class, attribute.name)
+        if attribute.needs_constructor_getter_callback else
+       '{0}V8Internal::{0}ConstructorGetter'.format(cpp_class)) %}
 {% set getter_callback_for_main_world =
        '%sV8Internal::%sAttributeGetterCallbackForMainWorld' %
             (cpp_class, attribute.name)
        if attribute.is_per_world_bindings else '0' %}
 {% set setter_callback = attribute.setter_callback %}
 {% set setter_callback_for_main_world =
        '%sV8Internal::%sAttributeSetterCallbackForMainWorld' %
            (cpp_class, attribute.name)
        if attribute.is_per_world_bindings and
           (not attribute.is_read_only or attribute.put_forwards) else '0' %}
@@ skipping 1296 matching lines @@
 {% endfilter %}
 }
 
 template<>
 v8::Handle<v8::Value> toV8NoInline({{cpp_class}}* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
 {% endblock %}