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This brings the frame context menu available on other platforms to Mac
and allows users to restore the previously closed tab within the
tabstrip.

BUG=997637

Change-Id: Iaff4cbb6066e52a6ffc969d030b9351051a7a1f6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1779019
Commit-Queue: Robert Liao <robliao@chromium.org>
Reviewed-by: Elly Fong-Jones <ellyjones@chromium.org>
Cr-Commit-Position: refs/heads/master@{#693229}