R=dgozman@chromium.org

Bug: chromium:754560
Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel
Change-Id: I3c0d5c4eebc3e8dbfa6663210046d6a86b1226b5
Reviewed-on: https://chromium-review.googlesource.com/612452Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
Commit-Queue: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47321}