This broke after https://codereview.chromium.org/2860653002

NOTRY=true
TBR=ochang@chromium.org,jarin@chromium.org

Bug: v8:5502
Change-Id: I062f6601da0b8249d7749275fc415a72e42d0e40
Reviewed-on: https://chromium-review.googlesource.com/549931
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46248}