GitLab

Add two non-consecutive files to check-select (aka multi-
select). Quick View should open in check-select mode with
the first file being opened. Left/right arrow keys should show
the next selection in check-select.

Bug: 1038799
Change-Id: I1164a19391920b9cc08d0f622d1c2a14c006b8d4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2006901
Commit-Queue: Noel Gordon <noel@chromium.org>
Reviewed-by: Noel Gordon <noel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#732763}