| Index: net/dns/host_resolver_impl.h | 
| diff --git a/net/dns/host_resolver_impl.h b/net/dns/host_resolver_impl.h | 
| index f78d39ecaa0fc457363b7faa94c0b31444469b37..1ca8a8f9ebdc84c77ee25e96591557497c74c9cc 100644 | 
| --- a/net/dns/host_resolver_impl.h | 
| +++ b/net/dns/host_resolver_impl.h | 
| @@ -364,10 +364,6 @@ class NET_EXPORT HostResolverImpl | 
| base::TimeTicks last_ipv6_probe_time_; | 
| bool last_ipv6_probe_result_; | 
|  | 
| -  // True iff ProcTask has successfully resolved a hostname known to have IPv6 | 
| -  // addresses using ADDRESS_FAMILY_UNSPECIFIED. Reset on IP address change. | 
| -  bool resolved_known_ipv6_hostname_; | 
| - | 
| // Any resolver flags that should be added to a request by default. | 
| HostResolverFlags additional_resolver_flags_; | 
|  | 
|  |