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

net/http/http_network_session.h

Index: net/http/http_network_session.h
diff --git a/net/http/http_network_session.h b/net/http/http_network_session.h
index a6844a4476c474916ca18a91ace21bd8f9e08b2f..39f3d2a1e4c05db1d3bb9fc69017615ef1d183f1 100644
--- a/net/http/http_network_session.h
+++ b/net/http/http_network_session.h
@@ -179,6 +179,8 @@ class NET_EXPORT HttpNetworkSession
     bool quic_migrate_sessions_early;
     // If true, bidirectional streams over QUIC will be disabled.
     bool quic_disable_bidirectional_streams;
+    // If true, race cert verification with host resolution.
+    bool quic_race_cert_verification;
 
     ProxyDelegate* proxy_delegate;
     // Enable support for Token Binding.