GitLab

Copies logic from ::ToAccessibilityLabelWithSecondaryButton(), which is
used for the accessible value.

Bug: 1090517
Change-Id: Ib28f7814e6cd1bfbd7e9502c81e766d196930484
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2227118
Commit-Queue: Aaron Leventhal <aleventhal@chromium.org>
Reviewed-by: Tommy Li <tommycli@chromium.org>
Cr-Commit-Position: refs/heads/master@{#774524}