This allows more type-safe usage of RawFds (preventing confusion with other c_ints) and provides a lightweight type that is usable in arguments to methods that take parameters of type AsRawFd.
BUG=None
TEST=Built.
Change-Id: Ibdeb03b0e759577385b05acb25ce76d51f2188c6
Reviewed-on: https://chromium-review.googlesource.com/1396495
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Miriam Zimmerman <mutexlox@chromium.org>
Reviewed-by: David Tolnay <dtolnay@chromium.org>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
