R=hpayer@chromium.org
BUG=v8:6792,chromium:787813

Change-Id: I98af2eb8d9e5f3be1bc5807363545a7d89500ef3
Reviewed-on: https://chromium-review.googlesource.com/787712Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49616}