Request for Mozilla Position on an Emerging Web Specification

• Specification Title: Long Tasks API 1
• Specification or proposal URL: https://w3c.github.io/longtasks/
• Caniuse.com URL (optional):
• Bugzilla URL (optional): https://bugzilla.mozilla.org/show_bug.cgi?id=1463069
• Mozillians who can provide input (optional): @smaug---- @hawkinsw