Use base::size and std::extent rather than arraysize in chrome/.

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

BUG=837308
R=thakis@chromium.org

Change-Id: I3246cd4e8c500e9b5cf1192a381d349ef60263fa
Reviewed-on: https://chromium-review.googlesource.com/c/1391953
Reviewed-by: Nico Weber <thakis@chromium.org>
Commit-Queue: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#620145}
4 files changed