GitLab

Replace two rects and a bool with a struct of two rects inside
base::Optional.

Change-Id: Ie0fe4353809d6d22eafdfc5ae9d488cb1af092ea
Reviewed-on: https://chromium-review.googlesource.com/1013258Reviewed-by: Bill Budge <bbudge@chromium.org>
Reviewed-by: Kazuhiro Inaba <kinaba@chromium.org>
Reviewed-by: Takayoshi Kochi <kochi@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#551051}