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

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

BUG=837308
TBR=stevenjb@chromium.org

Change-Id: I903ba192fd31c2ef64379e473c3285c230ad1d27
Reviewed-on: https://chromium-review.googlesource.com/c/1390731
Reviewed-by: Avi Drissman <avi@chromium.org>
Commit-Queue: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#618872}
3 files changed