GitLab

R=dmazzoni@chromium.org

Test: manual; on Mac, verify chrome.automation.getFocus returns the correct value.
Change-Id: Iff9665c613ebf55920e7bf5afac2033b5abceeda
AX-Relnotes: n/a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2610925
Commit-Queue: David Tseng <dtseng@chromium.org>
Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#840843}