GitLab

This CL removes the temporary button that was used to test
the sharesheet during development.

Bug: 1097623
Change-Id: Id75f93030cf07d67a33b061b432f38d8141500d1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2371862Reviewed-by: Avi Drissman <avi@chromium.org>
Commit-Queue: Melissa Zhang <melzhang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#801227}