DnsClient refactoring + features (timeout, suffix search, server rotation).

net/dns/dns_config_service.h

Index: net/dns/dns_config_service.h
diff --git a/net/dns/dns_config_service.h b/net/dns/dns_config_service.h
index 655ea78b588e16bf0b66b4870e2f221ccf343cda..76446e64862c1935a52f8d7fb36614e33032c376 100644
--- a/net/dns/dns_config_service.h
+++ b/net/dns/dns_config_service.h
@@ -44,15 +44,13 @@ struct NET_EXPORT_PRIVATE DnsConfig {
   DnsHosts hosts;
 
   // Resolver options; see man resolv.conf.
-  // TODO(szym): use |ndots| and |search| to determine the sequence of FQDNs
-  // to query given a specific name.
   // TODO(szym): implement DNS Devolution for windows
 
   // Minimum number of dots before global resolution precedes |search|.
   int ndots;
   // Time between retransmissions, see res_state.retrans.
   base::TimeDelta timeout;
-  // Maximum number of retries, see res_state.retry.
+  // Maximum number of attempts, see res_state.retry.
   int attempts;
   // Round robin entries in |nameservers| for subsequent requests.
   bool rotate;