R=adamk@chromium.org

Bug: v8:7275
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng
Change-Id: Iada634ab275a1a348d14400b3138ac9e5cc08de7
Reviewed-on: https://chromium-review.googlesource.com/892441Reviewed-by: Adam Klein <adamk@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50973}