class ActionView::DependencyTracker::ERBTracker

def render_dependencies
  render_dependencies = []
  render_calls = source.split(/\brender\b/).drop(1)
  render_calls.each do |arguments|
    add_dependencies(render_dependencies, arguments, LAYOUT_DEPENDENCY)
    add_dependencies(render_dependencies, arguments, RENDER_ARGUMENTS)
  end
  render_dependencies.uniq
end