Use base::size rather than arraysize in ui/.

This is purely a mechanical change; there is no intended behavior change.

BUG=837308

Change-Id: I387e328cbcb7d51342bfa3736a06d7a12e292e0f
Reviewed-on: https://chromium-review.googlesource.com/c/1391710
Reviewed-by: Nico Weber <thakis@chromium.org>
Commit-Queue: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#620160}
2 files changed