atrusctl: update for libchrome uprev to r680000

- Use base::FileDescriptorWatcher.
- Use base::CheckedObserver.
- Use std::cref.

BUG=chromium:1054279
TEST=emerge

Change-Id: I07e8d8646d49678fe4b5d9b5220f5adbb984fd68
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/atrusctl/+/2203243
Reviewed-by: Joe Tessler <jrt@chromium.org>
Reviewed-by: Hidehiko Abe <hidehiko@chromium.org>
Commit-Queue: Qijiang Fan <fqj@google.com>
Tested-by: Qijiang Fan <fqj@google.com>
4 files changed
tree: 93173ba661d72e8a1f0ef822b38cce252deea172
  1. conf/
  2. dbus_bindings/
  3. dbus_permissions/
  4. init/
  5. src/
  6. .gitignore
  7. Android.mk
  8. BUILD.gn
  9. LICENSE
  10. OWNERS
  11. README.md
README.md

atrusctl

This tool is used to interact with Atrus speakerphones.