The difference seems to matter at least in one benchmark.

R=jarin@chromium.org

Bug: chromium:764644
Change-Id: I6d74fbbd8026942637d2301da805b003a9e58af7
Reviewed-on: https://chromium-review.googlesource.com/666922Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48015}