[preload] Split `media` `as` value into `video`, `audio` and `track`
Project Member
Reported by
y...@yoav.ws,
Mar 4 2017
Issue description
Chrome Version: M58
OS: All
Currently, with `media` destination, we cannot perform type specific mime type checks for track preloads. We need to be able to tell track apart from video and audio.
Spec change at https://github.com/whatwg/fetch/pull/437
Comment 1 by bugdroid1@chromium.org
, Mar 9 2017