Create a CBPeripheralManager in the BluetoothAdapterMac and its associated delegate.

BUG=846881

Change-Id: Ib6e12ce1d2e6bbeaf85e6ba6727a1079adc699e9
Reviewed-on: https://chromium-review.googlesource.com/1130012
Commit-Queue: Tim Song <tengs@chromium.org>
Reviewed-by: Gustavo Sacomoto <sacomoto@chromium.org>
Reviewed-by: Giovanni Ortuño Urquidi <ortuno@chromium.org>
Cr-Commit-Position: refs/heads/master@{#575557}
5 files changed