Call SetDefaults from the QuicConfig constructor instead of requiring

net/quic/quic_crypto_server_stream_test.cc

Index: net/quic/quic_crypto_server_stream_test.cc
diff --git a/net/quic/quic_crypto_server_stream_test.cc b/net/quic/quic_crypto_server_stream_test.cc
index aa3d14a11f24ff8db6f16ca27c5a3d2500b3e381..38b4a57a932608f1f95daafbbe64e7b5488309b4 100644
--- a/net/quic/quic_crypto_server_stream_test.cc
+++ b/net/quic/quic_crypto_server_stream_test.cc
@@ -61,8 +61,6 @@ class QuicCryptoServerStreamTest : public ::testing::TestWithParam<bool> {
                        QuicRandom::GetInstance()),
         stream_(crypto_config_, &session_),
         strike_register_client_(nullptr) {
-    config_.SetDefaults();
-    session_.config()->SetDefaults();
     session_.SetCryptoStream(&stream_);
     // We advance the clock initially because the default time is zero and the
     // strike register worries that we've just overflowed a uint32 time.
@@ -141,11 +139,9 @@ TEST_P(QuicCryptoServerStreamTest, ZeroRTT) {
   server_conn->AdvanceTime(QuicTime::Delta::FromSeconds(100000));
 
   QuicConfig client_config;
-  client_config.SetDefaults();
   scoped_ptr<TestClientSession> client_session(
       new TestClientSession(client_conn, client_config));
   QuicCryptoClientConfig client_crypto_config;
-  client_crypto_config.SetDefaults();
 
   QuicServerId server_id(kServerHostname, kServerPort, false,
                          PRIVACY_MODE_DISABLED);