Call SetDefaults from the QuicConfig constructor instead of requiring

net/quic/quic_connection_test.cc

Index: net/quic/quic_connection_test.cc
diff --git a/net/quic/quic_connection_test.cc b/net/quic/quic_connection_test.cc
index 69c8661ddae76eba617f0ad9790f567c7f9ee7da..b0844289663e955b3f2d21687b6079b8cab01301 100644
--- a/net/quic/quic_connection_test.cc
+++ b/net/quic/quic_connection_test.cc
@@ -2419,7 +2419,6 @@ TEST_P(QuicConnectionTest, BufferNonDecryptablePackets) {
   // SetFromConfig is always called after construction from InitializeSession.
   EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _));
   QuicConfig config;
-  config.SetDefaults();
   connection_.SetFromConfig(config);
   EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
   use_tagging_decrypter();
@@ -2450,7 +2449,6 @@ TEST_P(QuicConnectionTest, Buffer100NonDecryptablePackets) {
   // SetFromConfig is always called after construction from InitializeSession.
   EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _));
   QuicConfig config;
-  config.SetDefaults();
   config.set_max_undecryptable_packets(100);
   connection_.SetFromConfig(config);
   EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
@@ -2719,7 +2717,6 @@ TEST_P(QuicConnectionTest, InitialTimeout) {
   // SetFromConfig sets the initial timeouts before negotiation.
   EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _));
   QuicConfig config;
-  config.SetDefaults();
   connection_.SetFromConfig(config);
   // Subtract a second from the idle timeout on the client side.
   QuicTime default_timeout = clock_.ApproximateNow().Add(
@@ -2872,7 +2869,6 @@ TEST_P(QuicConnectionTest, TimeoutAfterSend) {
   EXPECT_TRUE(connection_.connected());
   EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _));
   QuicConfig config;
-  config.SetDefaults();
   connection_.SetFromConfig(config);
 
   const QuicTime::Delta initial_idle_timeout =