This removes a condition that seems to have become always true in the
cases we care about.

R=jarin@chromium.org

Bug: 
Change-Id: I3684db93ab7e498b7b7ac0b42945625c30fd1afa
Reviewed-on: https://chromium-review.googlesource.com/806225Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49883}