class ActionView::TemplateRenderer

def render_template(view, template, layout_name, locals)
  render_with_layout(view, template, layout_name, locals) do |layout|
    ActiveSupport::Notifications.instrument(
      "render_template.action_view",
      identifier: template.identifier,
      layout: layout && layout.virtual_path,
      locals: locals
    ) do
      template.render(view, locals) { |*name| view._layout_for(*name) }
    end
  end
end