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

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

BUG=837308
TBR=rogerta@chromium.org

Change-Id: Id677222ade7cf9743aabc8f9bee9838bcda5ddb4
Reviewed-on: https://chromium-review.googlesource.com/c/1390727
Reviewed-by: Avi Drissman <avi@chromium.org>
Commit-Queue: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#618876}
12 files changed