GitLab

|is_success| parameter in FidoHidDevice::MessageReceived() can be
represented by nullptr |message| parameter.

Bug: 828088
Change-Id: Ia13439acc98f43af1741308063ac7c2ab1b62af9
Reviewed-on: https://chromium-review.googlesource.com/1014655Reviewed-by: Jan Wilken Dörrie <jdoerrie@chromium.org>
Commit-Queue: Jun Choi <hongjunchoi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#551741}