Bug#833102: chromium: Chromium 52 (gtk+3 issue) does not honor gtk-key-theme

[Michael Gilbert]

control: forwarded -1 http://crbug.com/319437

Here is the upstream bug you mentioned.  I haven't looked in detail,
but that may only implement gtk2 support.

It may be straightforward to develop a gtk3 support patch too.

Best wishes,
Mike