Mark QUIC broken when the network blackholes after the handshake

components/network_session_configurator/network_session_configurator_unittest.cc

Index: components/network_session_configurator/network_session_configurator_unittest.cc
diff --git a/components/network_session_configurator/network_session_configurator_unittest.cc b/components/network_session_configurator/network_session_configurator_unittest.cc
index 1832dfddce5eb53fb44ef76c08eb40a8df205c42..6d5cf016daa86b7c632a869b714e039f8ca6725e 100644
--- a/components/network_session_configurator/network_session_configurator_unittest.cc
+++ b/components/network_session_configurator/network_session_configurator_unittest.cc
@@ -68,6 +68,7 @@ TEST_F(NetworkSessionConfiguratorTest, EnableQuicFromFieldTrialGroup) {
 
   EXPECT_TRUE(params_.enable_quic);
   EXPECT_FALSE(params_.disable_quic_on_timeout_with_open_streams);
+  EXPECT_FALSE(params_.mark_quic_broken_when_network_suspected);
   EXPECT_EQ(1350u, params_.quic_max_packet_length);
   EXPECT_EQ(net::QuicTagVector(), params_.quic_connection_options);
   EXPECT_FALSE(params_.quic_always_require_handshake_confirmation);
@@ -134,6 +135,18 @@ TEST_F(NetworkSessionConfiguratorTest,
 }
 
 TEST_F(NetworkSessionConfiguratorTest,
+       MarkQuicBrokenWhenNetworkSuspectedFromFieldTrialParams) {
+  std::map<std::string, std::string> field_trial_params;
+  field_trial_params["mark_quic_broken_when_network_suspected"] = "true";
+  variations::AssociateVariationParams("QUIC", "Enabled", field_trial_params);
+  base::FieldTrialList::CreateFieldTrial("QUIC", "Enabled");
+
+  ParseFieldTrials();
+
+  EXPECT_TRUE(params_.mark_quic_broken_when_network_suspected);
+}
+
+TEST_F(NetworkSessionConfiguratorTest,
        QuicCloseSessionsOnIpChangeFromFieldTrialParams) {
   std::map<std::string, std::string> field_trial_params;
   field_trial_params["close_sessions_on_ip_change"] = "true";