在iOS移动浏览器上使用JW Player进行Chromecast

I've been trying to get Chromecasting to work with JW Player on iOS Chrome. For what ever reason, the icon for it does not show up. It works on Android devices. Originally I was using 7.3.4 but rolled back to 6.12. My setup is this:I've been trying to get Chromecasting to work w