GitLab

This changes mojo::Wrap/UnwrapPlatformFile to use
base::ScopedPlatformFile instead of raw PlatformFile values.

In the process, this fixes potential file descriptor leaks in
chromeos_camera code.

Fixed: 710376
Change-Id: Id86db91695bf3a6e87e210c2226739dbc9d8fa01
Tbr: lamzin@google.com
Tbr: drubery@chromium.org
Tbr: rakeshsoma@google.com
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2491545Reviewed-by: Shik Chen <shik@chromium.org>
Reviewed-by: Hidehiko Abe <hidehiko@chromium.org>
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Commit-Queue: Ken Rockot <rockot@google.com>
Cr-Commit-Position: refs/heads/master@{#820304}