When HttpNetworkTransaction encounters QUIC errors, retry the request

components/network_session_configurator/network_session_configurator.cc

Index: components/network_session_configurator/network_session_configurator.cc
diff --git a/components/network_session_configurator/network_session_configurator.cc b/components/network_session_configurator/network_session_configurator.cc
index c53ba0784e6ab0a0272324f1ff448ee0113df5d3..00ab3d3c34fe62eb727699997e70853968fbd52e 100644
--- a/components/network_session_configurator/network_session_configurator.cc
+++ b/components/network_session_configurator/network_session_configurator.cc
@@ -115,6 +115,14 @@ bool ShouldMarkQuicBrokenWhenNetworkBlackholes(
       "true");
 }
 
+bool ShouldRetryWithoutAltSvcOnQuicErrors(
+    const VariationParameters& quic_trial_params) {
+  return base::LowerCaseEqualsASCII(
+      GetVariationParam(quic_trial_params,
+                        "retry_without_alt_svc_on_quic_errors"),
+      "true");
+}
+
 bool ShouldQuicDisableConnectionPooling(
     const VariationParameters& quic_trial_params) {
   return base::LowerCaseEqualsASCII(
@@ -335,7 +343,8 @@ void ConfigureQuicParams(base::StringPiece quic_trial_group,
       is_quic_force_enabled);
   params->mark_quic_broken_when_network_blackholes =
       ShouldMarkQuicBrokenWhenNetworkBlackholes(quic_trial_params);
-
+  params->retry_without_alt_svc_on_quic_errors =
+      ShouldRetryWithoutAltSvcOnQuicErrors(quic_trial_params);
   params->enable_quic_alternative_service_with_different_host =
       ShouldQuicEnableAlternativeServicesForDifferentHost(quic_trial_params);