HipChat web chat long idle for Chromium/Chrome

HipchatLongIdle.user.js

// ==UserScript==
// @author      Luke Bakken
// @name        Hipchat Long Idle
// @namespace   org.bowbak.luke
// @description Makes you stay "Available" in hipchat for 8 hours of inactivity instead of 5 minutes
// @match       https://*.hipchat.com/chat
// @version     1
// @grant       none
// @run-at      document-end
// ==/UserScript==

var actualCode = ['app.IDLE_DELAY_MS = 28800000;',
                  'console.log("SET app.IDLE_DELAY_MS TO %d", app.IDLE_DELAY_MS);',
].join('\n');

var script = document.createElement('script');
script.textContent = actualCode;
(document.head||document.documentElement).appendChild(script);
script.parentNode.removeChild(script);