Index: net/dns/host_resolver_impl.cc |
diff --git a/net/dns/host_resolver_impl.cc b/net/dns/host_resolver_impl.cc |
index fd4c065b7d7e724f47f3646ffd9fe32689b1a2e7..abfddf9be9d1cde596368117131fa8337e56e988 100644 |
--- a/net/dns/host_resolver_impl.cc |
+++ b/net/dns/host_resolver_impl.cc |
@@ -1635,22 +1635,6 @@ class HostResolverImpl::Job : public PrioritizedDispatcher::Job, |
const AddressList& addr_list) { |
DCHECK(is_proc_running()); |
- if (!resolver_->resolved_known_ipv6_hostname_ && |
- net_error == OK && |
- key_.address_family == ADDRESS_FAMILY_UNSPECIFIED) { |
- if (key_.hostname == "www.google.com") { |
- resolver_->resolved_known_ipv6_hostname_ = true; |
- bool got_ipv6_address = false; |
- for (size_t i = 0; i < addr_list.size(); ++i) { |
- if (addr_list[i].GetFamily() == ADDRESS_FAMILY_IPV6) { |
- got_ipv6_address = true; |
- break; |
- } |
- } |
- UMA_HISTOGRAM_BOOLEAN("Net.UnspecResolvedIPv6", got_ipv6_address); |
- } |
- } |
- |
if (dns_task_error_ != OK) { |
base::TimeDelta duration = base::TimeTicks::Now() - start_time; |
if (net_error == OK) { |
@@ -2049,7 +2033,6 @@ HostResolverImpl::HostResolverImpl( |
assume_ipv6_failure_on_wifi_(false), |
use_local_ipv6_(false), |
last_ipv6_probe_result_(true), |
- resolved_known_ipv6_hostname_(false), |
additional_resolver_flags_(0), |
fallback_to_proctask_(true), |
worker_task_runner_(std::move(worker_task_runner)), |
@@ -2530,7 +2513,6 @@ void HostResolverImpl::TryServingAllJobsFromHosts() { |
} |
void HostResolverImpl::OnIPAddressChanged() { |
- resolved_known_ipv6_hostname_ = false; |
last_ipv6_probe_time_ = base::TimeTicks(); |
// Abandon all ProbeJobs. |
probe_weak_ptr_factory_.InvalidateWeakPtrs(); |