QUIC - Allow cronet apps to specify how many server configs are to be

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 892fd578dc341e083e50130329dcd210bc285f9a..5cc3ea3b89f3cb8f8513db99b71a0446259d418e 100644
--- a/components/cronet/url_request_context_config.cc
+++ b/components/cronet/url_request_context_config.cc
@@ -27,6 +27,8 @@ const char kQuicFieldTrialName[] = "QUIC";
 const char kQuicConnectionOptions[] = "connection_options";
 const char kQuicStoreServerConfigsInProperties[] =
     "store_server_configs_in_properties";
+const char kQuicNumberOfServerConfigsStoredInProperties[] =
+    "number_of_server_configs_stored_in_properties";
 const char kQuicDelayTcpRace[] = "delay_tcp_race";
 const char kQuicMaxNumberOfLossyConnections[] =
     "max_number_of_lossy_connections";
@@ -74,11 +76,21 @@ void ParseAndSetExperimentalOptions(
           net::QuicUtils::ParseQuicConnectionOptions(quic_connection_options));
     }
 
+    // TODO(rtenneti): Delete this option after apps stop using it.
+    // Added this for backward compatability.
     bool quic_store_server_configs_in_properties = false;
     if (quic_args->GetBoolean(kQuicStoreServerConfigsInProperties,
                               &quic_store_server_configs_in_properties)) {
-      context_builder->set_quic_store_server_configs_in_properties(
-          quic_store_server_configs_in_properties);
+      context_builder->set_quic_number_of_server_configs_stored_in_properties(
+          net::kMaxQuicServersToPersist);
+    }
+
+    int quic_number_of_server_configs_stored_in_properties = 0;
+    if (quic_args->GetInteger(
+            kQuicNumberOfServerConfigsStoredInProperties,
+            &quic_number_of_server_configs_stored_in_properties)) {
+      context_builder->set_quic_number_of_server_configs_stored_in_properties(
+          quic_number_of_server_configs_stored_in_properties);
     }
 
     bool quic_delay_tcp_race = false;