GitLab

This replaces the calls but leaves the saturated_arithmetic headers
where they are. Those will be moved in the next CL.
This is a reland of 191d1148

TBR=eae@chromium.org

Bug: 672489
Change-Id: I7efb5025ace03b3fc8ff8b698a456162b27ee2a7
Reviewed-on: https://chromium-review.googlesource.com/572145
Commit-Queue: Justin Schuh <jschuh@chromium.org>
Reviewed-by: Justin Schuh <jschuh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#487393}