RouteSubscriber::alterRoutes

protected RouteSubscriber::alterRoutes(RouteCollection $collection)

protected function alterRoutes(RouteCollection $collection) {
  // As nodes are the primary type of content, the node listing should be
  // easily available. In order to do that, override admin/content to show
  // a node listing instead of the path's child links.
  $route = $collection->get('system.admin_content');
  if ($route) {
    $route->setDefaults(array(
      '_title' => 'Content',
      '_entity_list' => 'node',
    ));
    $route->setRequirements(array(
      '_permission' => 'access content overview',
    ));
  }
}