Factor out BorderSide creation for dividers (#15403)
This allows other code to get the same style without having to know exactly it is computed.
I
Ian Hickson committed
7865d319ba36de4fc793d1f641abdf0ab97354ac
Parent: ded3905
Committed by GitHub <noreply@github.com>
on 3/11/2018, 8:01:00 PM