GitLab

Support class type in json_to_struct and use C++ class base::Optional<bool>
for is_low_end_device instead of OptionalBool.

Bug: 987717
Change-Id: Ica6b475af788bbe9842c8630ef96e2ad6ad7f80c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1973491Reviewed-by: Bruce Dawson <brucedawson@chromium.org>
Reviewed-by: Alexei Svitkine <asvitkine@chromium.org>
Reviewed-by: Steven Holte <holte@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Commit-Queue: Weilun Shi <sweilun@chromium.org>
Auto-Submit: Weilun Shi <sweilun@chromium.org>
Cr-Commit-Position: refs/heads/master@{#729594}