GitLab

When the flag is enabled, the pull-to-refresh in-product help bubble is
shown at the top of the screen rather than anchored to the bottom
toolbar.

ArrowBubbleDrawable was modified to support not drawing an arrow.

BUG=793403

Change-Id: I86d753a1eb7a193576f4523de6dd5f01a1a4c145
Reviewed-on: https://chromium-review.googlesource.com/817882
Commit-Queue: Theresa <twellington@chromium.org>
Reviewed-by: David Trainor <dtrainor@chromium.org>
Reviewed-by: Matthew Jones <mdjones@chromium.org>
Cr-Commit-Position: refs/heads/master@{#523791}