The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/cafa95ad66e1ec8866fc8901a9433a350a53c928

commit cafa95ad66e1ec8866fc8901a9433a350a53c928
Author: Sammie Quon <sammiequon@google.com>
Date: Fri Aug 25 18:21:28 2017

settings: Make stylus page toggle buttons visible.

This was working not to long ago but regressed recently.
https://screenshot.googleplex.com/tyBbjWRRLWa

Test: manual
Bug:  758787 
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: I97c85fda66f29369b07015439a9f27761cdd23c0
Reviewed-on: https://chromium-review.googlesource.com/634525
Reviewed-by: Steven Bennetts <stevenjb@chromium.org>
Commit-Queue: Sammie Quon <sammiequon@chromium.org>
Cr-Commit-Position: refs/heads/master@{#497467}
[modify] https://crrev.com/cafa95ad66e1ec8866fc8901a9433a350a53c928/chrome/browser/resources/settings/device_page/stylus.html