module ActionView::Rendering::ClassMethods

def build_view_context_class(klass, supports_path, routes, helpers)
  if inherit_view_context_class?
    return superclass.view_context_class
  end
  Class.new(klass) do
    if routes
      include routes.url_helpers(supports_path)
      include routes.mounted_helpers
    end
    if helpers
      include helpers
    end
  end
end