tracer says to #ysitd a[1]):k.labs.userAgent.platform.isChromeOS()&&(c=/(?:CrOS\s+(?:i686|x86_64)\s+([0-9.]+))/,c=(a=c.exec(a))&&a[1]);return c||""};k.labs.userAgent.platform.isVersionOrHigher=function(a){return