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This CL is the third part of code to implement the arrow button in
the overflow bubble view.
See more details from the below doc link:
https://docs.google.com/document/d/1dO4H_4T6ttWFc75nCNi2Uh18k-3_M8-eOHcfMTcNwd0/edit?usp=sharing

Bug: 918024
Change-Id: Id6fce153c72d38f0260556f6b431f9c91e468230
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1699641Reviewed-by: Mitsuru Oshima <oshima@chromium.org>
Commit-Queue: Andrew Xu <andrewxu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#678354}