Use base::size rather than arraysize in chrome/ part 1.

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

BUG=837308
TBR=thakis@chromium.org

Change-Id: Id81bc140e6da636a860e9135239d2f4d1a239abf
Reviewed-on: https://chromium-review.googlesource.com/c/1390901
Reviewed-by: Avi Drissman <avi@chromium.org>
Commit-Queue: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#618891}
103 files changed