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

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

BUG=837308
TBR=wfh@chromium.org

Change-Id: I67c0b8518d2464298e282891298e3e2eb8ca4796
Reviewed-on: https://chromium-review.googlesource.com/c/1390733
Reviewed-by: Avi Drissman <avi@chromium.org>
Commit-Queue: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#618875}
3 files changed