This CL fixes the clang ToT bots.

R=jarin@chromium.org,neis@chromium.org

Change-Id: If903c59cb2ed70fcb3115310df71ba1e924ef824
Reviewed-on: https://chromium-review.googlesource.com/729244
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48772}