Comment 8 for bug 1718885

> One other oddity is why all our LTS machines (both 14.04 and 16.04) now have libffmpeg.so
> in /usr/lib/chromium-browser, not /usr/lib/chromium-browser/libs. But when I checked
> with dpkg-query, the former (/usr/lib/chromium-browser/libffmpeg.so) is definitely
> what was listed, and that's where the shared library was installed.

This is because libs is a symlink to parent folder:

ubuntu@test4:~$ ls -la /usr/lib/chromium-browser/libs
lrwxrwxrwx 1 root root 1 Mar 18 2017 /usr/lib/chromium-browser/libs -> .