GitLab

Follow-up CL to remove logic added to make it possible to host the
caption buttons on browser elements. See upstream CL:
https://chromium-review.googlesource.com/c/chromium/src/+/2358249

Do not check in until upstream CL has been *verified* as what we want
for tablet mode on Windows.

Bug: 1116651
Change-Id: Ia5670d40e0565711041835d0641231396612730a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2359019
Commit-Queue: Dana Fried <dfried@chromium.org>
Reviewed-by: Collin Baker <collinbaker@chromium.org>
Cr-Commit-Position: refs/heads/master@{#798955}