Revert "Revert of QUIC - Race Cert Verification with host resolution if

components/cronet/url_request_context_config.cc

Index: components/cronet/url_request_context_config.cc
diff --git a/components/cronet/url_request_context_config.cc b/components/cronet/url_request_context_config.cc
index fa080d2dedb7dca16f5be2fe2913b9e766b126a7..61dc9d42e7900c2670d25489f748a41dfbb3f376 100644
--- a/components/cronet/url_request_context_config.cc
+++ b/components/cronet/url_request_context_config.cc
@@ -53,6 +53,7 @@ const char kQuicUserAgentId[] = "user_agent_id";
 const char kQuicMigrateSessionsEarly[] = "migrate_sessions_early";
 const char kQuicDisableBidirectionalStreams[] =
     "quic_disable_bidirectional_streams";
+const char kQuicRaceCertVerification[] = "race_cert_verification";
 
 // AsyncDNS experiment dictionary name.
 const char kAsyncDnsFieldTrialName[] = "AsyncDNS";
@@ -187,6 +188,13 @@ void ParseAndSetExperimentalOptions(
       context_builder->set_quic_disable_bidirectional_streams(
           quic_disable_bidirectional_streams);
     }
+
+    bool quic_race_cert_verification = false;
+    if (quic_args->GetBoolean(kQuicRaceCertVerification,
+                              &quic_race_cert_verification)) {
+      context_builder->set_quic_race_cert_verification(
+          quic_race_cert_verification);
+    }
   }
 
   const base::DictionaryValue* async_dns_args = nullptr;