Now that ES5 is required, use Date.now(). Performs better by not
requiring object construction.
Bug: T160953
Change-Id: Ifea106a325659c2024f40e77ff016db9dc8a55fb
navStart = perf && perf.timing && perf.timing.navigationStart;
return navStart && typeof perf.now === 'function' ?
function () { return navStart + perf.now(); } :
- function () { return +new Date(); };
+ function () { return Date.now(); };
}() ),
// eslint-disable-next-line no-unused-vars
mediaWikiLoadStart = mwNow();