V8-side for https://chromium-review.googlesource.com/c/517949/

NOTRY=true
NOTREECHECKS=true

Bug: chromium:724486
Change-Id: Id778b5b0483bf917cf903d86289c1637ab9edda4
Reviewed-on: https://chromium-review.googlesource.com/518164
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45581}