Video embeds from facebook.com and other sites fail

[techAPJ (Arpit Jalan)]

@torsi

This also happens with Reddit now if the OP is a video.

Reddit videos will now onebox properly, as per:

https://github.com/discourse/onebox/commit/0d49811aac2927823c65fc0c6acae5150d33c5cc

Demo:

r/gifs - Cat.exe Has Stopped Responding