This should fix undefined function call sanitizer warnings.

BUG=chromium:778918

Change-Id: I718d58edd7b75a3fca1089edc4df7f3251d85153
Reviewed-on: https://chromium-review.googlesource.com/767152Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>