privetd: Use std::set for containers with unique items
std::set simplifies checks if item is inside container.
Also std::set hightlight the fact that that elements are unique.
BUG=brillo:456
TEST=unittests
Change-Id: Idf4657e45656dccdee3a3c3318a7d240617a8f58
Reviewed-on: https://chromium-review.googlesource.com/258310
Reviewed-by: Vitaly Buka <vitalybuka@chromium.org>
Reviewed-by: Alex Vakulenko <avakulenko@chromium.org>
Commit-Queue: Vitaly Buka <vitalybuka@chromium.org>
Tested-by: Vitaly Buka <vitalybuka@chromium.org>
3 files changed