tree 861d69b27a0a019a2df3271fda5925282848beb8
parent 83bd64b869bef72ec734b96eb9cf291b9a9ac2c4
author Peter Qiu <zqiu@chromium.org> 1406579333 -0700
committer chrome-internal-fetch <chrome-internal-fetch@google.com> 1406781504 +0000

shill: IPv6 DNS server addresses changed notification.

Setup DeviceInfo to subscribe to RDNSS messages, and notify Device when there
is an update.

BUG=chromium:394010
TEST=unit tests, manual test.
Manual Test:
1. Update code to log the lifetime and DNS server IP addresses in Device's
   callback function (OnIPv6DnsServerAddressesChanged).
2. Run network_Ipv6SimpleNegotiation on the DUT.
3. Verify the lifetime and DNS server IP addresses in net.log.

Change-Id: I6ce462388bbb168ed0816db24be349584f3ae51f
Reviewed-on: https://chromium-review.googlesource.com/210039
Reviewed-by: Peter Qiu <zqiu@chromium.org>
Commit-Queue: Peter Qiu <zqiu@chromium.org>
Tested-by: Peter Qiu <zqiu@chromium.org>