GitLab

ServiceDiscoveryHostClient now listens for IP address changes (and, by
extension, sleep/wake) and flushes the cache and resets the utility process.

BUG=284673

Review URL: https://chromiumcodereview.appspot.com/23851008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@221914 0039d316-1c4b-4281-b951-d872f2087c98