Facebook videos fail to play due to CORS block policy

[srirambv]

Description

Facebook videos fail to play due to CORS policy block

Steps to Reproduce

1. Login to FB and play any video with Shields up with default settings, starts and stops immediately
2. Open console, shows error about CORS block policy
3. Disable shields, video plays
4. Enable Shields once video starts to play, plays till its streamed and then stops playing again ans starts throwing errors on console

Actual result:

Expected result:
Should allow to play videos with shields up

Reproduces how often:
100%

Brave Version

about:brave info:

Brave	0.22.810
V8	6.7.288.43
rev	8f30eeb
Muon	7.0.6
OS Release	10.0.17134
Update Channel	Release
OS Architecture	x64
OS Platform	Microsoft Windows
Node.js	7.9.0
Brave Sync	v1.4.2
libchromiumcontent	67.0.3396.71

Reproducible on current live release:
Yes

Additional Information

Multiple reports on community
Assigning to 0.24.x as its a pretty big issue for users
cc: @diracdeltas

[diracdeltas]

is this a dupe of #14358 ?

[srirambv]

Yes. I tried searching for this issue didn't find so had to log another one. CLosing as dupe #14358