To be able to use this in optimized code dependency relationships.

Bug: 
Change-Id: Ia099a68994b1252de3c72c8d688862ca17ca76d9
Reviewed-on: https://chromium-review.googlesource.com/548716
Commit-Queue: Michael Stanton <mvstanton@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46277}