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This is a reland of 28e9c18c

Original change's description:
> Add replay button to Picture-in-Picture window when video ends
> 
> This CL makes sure there's a new replay button visible in the PiP window
> when video ends. This icon comes from Material Icons library at
> https://material.io/tools/icons/?icon=replay.
> 
> https://i.imgur.com/I1n90tM.png
> 
> Bug: 911620
> 
> Change-Id: Ibfcb96b9c69228ad74afe96ec00eb0e28d335ad8
> Reviewed-on: https://chromium-review.googlesource.com/c/1360852
> Commit-Queue: François Beaufort <beaufort.francois@gmail.com>
> Reviewed-by: Mounir Lamouri <mlamouri@chromium.org>
> Reviewed-by: Evan Stade <estade@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#615846}

Bug: 911620
Change-Id: I8d994d2feb32dd6b83185d9ec3fb44af0be5f977
Reviewed-on: https://chromium-review.googlesource.com/c/1374229Reviewed-by: Friedrich Horschig [CET] <fhorschig@chromium.org>
Reviewed-by: Evan Stade <estade@chromium.org>
Commit-Queue: François Beaufort <beaufort.francois@gmail.com>
Cr-Commit-Position: refs/heads/master@{#615959}