RemoveDNSObserver   97 chrome/browser/net/dns_probe_service.cc   NetworkChangeNotifier::RemoveDNSObserver(this);
RemoveDNSObserver   83 net/base/network_change_notifier.cc     NetworkChangeNotifier::RemoveDNSObserver(this);
RemoveDNSObserver  208 net/base/network_change_notifier.h   static void RemoveDNSObserver(DNSObserver* observer);
RemoveDNSObserver 1851 net/dns/host_resolver_impl.cc   NetworkChangeNotifier::RemoveDNSObserver(this);
RemoveDNSObserver 1047 net/proxy/proxy_service.cc   NetworkChangeNotifier::RemoveDNSObserver(this);
RemoveDNSObserver  192 net/tools/net_watcher/net_watcher.cc   net::NetworkChangeNotifier::RemoveDNSObserver(&net_watcher);