Move Quic AppendTimestampFrame method out of AppendCongestionFrame.

net/quic/quic_config_test.cc

Index: net/quic/quic_config_test.cc
diff --git a/net/quic/quic_config_test.cc b/net/quic/quic_config_test.cc
index 5241fed7e6f25269bd9a42cd24796c9e66b7aad1..9f3e27daecac8a210224b11c1b31b156b2532e41 100644
--- a/net/quic/quic_config_test.cc
+++ b/net/quic/quic_config_test.cc
@@ -91,7 +91,7 @@ TEST_F(QuicConfigTest, ToHandshakeMessageWithPacing) {
 TEST_F(QuicConfigTest, ProcessClientHello) {
   QuicConfig client_config;
   QuicTagVector cgst;
-  cgst.push_back(kINAR);
+  cgst.push_back(kTSTP);
   cgst.push_back(kQBIC);
   client_config.set_congestion_feedback(cgst, kQBIC);
   client_config.set_idle_connection_state_lifetime(
@@ -261,7 +261,7 @@ TEST_F(QuicConfigTest, MultipleNegotiatedValuesInVectorTag) {
   QuicConfig server_config;
   QuicTagVector cgst;
   cgst.push_back(kQBIC);
-  cgst.push_back(kINAR);
+  cgst.push_back(kTSTP);
   server_config.set_congestion_feedback(cgst, kQBIC);
 
   CryptoHandshakeMessage msg;
@@ -276,8 +276,8 @@ TEST_F(QuicConfigTest, NoOverLapInCGST) {
   QuicConfig server_config;
   server_config.SetDefaults();
   QuicTagVector cgst;
-  cgst.push_back(kINAR);
-  server_config.set_congestion_feedback(cgst, kINAR);
+  cgst.push_back(kTSTP);
+  server_config.set_congestion_feedback(cgst, kTSTP);
 
   CryptoHandshakeMessage msg;
   string error_details;