add_filter('nav_menu_css_class' , 'special_nav_class' , 10 , 2);
function special_nav_class($classes, $item){
    $menu_locations = get_nav_menu_locations();

    if ( has_term($menu_locations['Videos'], 'nav_menu', $item) ) {
       return preg_replace('/<a /', '<a class="list-group-item list-group-item-danger active"', $nav_menu, 1);
    }
    return $classes;
}

//Result

Warning: join() [function.join]: Invalid arguments passed in /home/robertom/public_html/wp-includes/nav-menu-template.php on line 98

Warning: join() [function.join]: Invalid arguments passed in /home/robertom/public_html/wp-includes/nav-menu-template.php on line 98
GlaxoSmithKline Intel – Mobility