GitLab

I removed the tabindex in https://crrev.com/c/720917, but that meant
that it was no longer possible to tab to the span and div elements.

Bug: 774147
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: Ic3c40b9b48b2daeb5a59eabfd9f679fc5a0c2e6f
Reviewed-on: https://chromium-review.googlesource.com/725288Reviewed-by: Marc Treib <treib@chromium.org>
Commit-Queue: Chris Pickel <sfiera@chromium.org>
Cr-Commit-Position: refs/heads/master@{#509744}