>>! Performance Inspector
> Source: ext.uls.common
> Used selectors: 0.00% (0 of 10)
> Used embeds: 0.00% (0 of 1)
> ----
> .uls-icon-back {
> background-image: .., url("data:image/svg+xml..
It seems the entire module isn't used, but that can be fixed
separately. The icon is used by ext.uls.inputsettings and
ext.uls.displaysettings as part of a click-triggered dialog,
which means it can never appear on a page directly.
Bug: T121730
Change-Id: I36831beeb764e6893c331b20b90102a5ceb0d21a
21100ebb78