Fix chronos in editor...

functions.php

<?php

/*
Usage...

If standard chronos shortcode is [chronos] then replace word 'whatever' on L24 with chronos

If standard chronos shortcode is [chronos someoption="24"] then replace word 'whatever' on L24 with chronos someoption="24"

Then simply use [safe_chronos] for your shortcode.

*/

class Fix_Chronos {
  function __construct() {
    add_action( 'after_setup_theme', array( $this, 'add_new' ) );
    }
    function add_new() {
        add_shortcode( 'safe_chronos', array( $this, 'do_chronos' ) );
    }
    function do_chronos() {
        global $pldraft;
        if( is_object( $pldraft ) && $pldraft->show_editor() ) {
            return 'Not doing this while editor is on';
        } else {
            return do_shortcode( '[whatever]' ); // <-- REPLACE whatever WITH CHRONOS SHORTCODE
        }
    }
}
new Fix_Chronos;