NextGoodServerIndex  106 net/dns/dns_session.cc   unsigned index = NextGoodServerIndex(server_index_);
NextGoodServerIndex   78 net/dns/dns_session.h   unsigned NextGoodServerIndex(unsigned server_index);
NextGoodServerIndex  682 net/dns/dns_transaction.cc     server_index = session_->NextGoodServerIndex(server_index);