TBR=yangguo@chromium.org

Bug: v8:7771
Change-Id: I81f1bdf2b4fffceef9cc4cb3ad9f3713a873e38e
Reviewed-on: https://chromium-review.googlesource.com/1065874Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53248}