Deprecate FLAGS_quic_only_track_sent_packets.

net/quic/core/quic_connection_test.cc

Index: net/quic/core/quic_connection_test.cc
diff --git a/net/quic/core/quic_connection_test.cc b/net/quic/core/quic_connection_test.cc
index 8f4e599046aa76a2fd60249ac996a0b21cd78f75..d8e97f8d32681f2aeea3f955c52e927cac2044d4 100644
--- a/net/quic/core/quic_connection_test.cc
+++ b/net/quic/core/quic_connection_test.cc
@@ -5243,11 +5243,6 @@ TEST_P(QuicConnectionTest, ClientReceivesRejOnNonCryptoStream) {
 
 TEST_P(QuicConnectionTest, CloseConnectionOnPacketTooLarge) {
   SimulateNextPacketTooLarge();
-  if (!FLAGS_quic_only_track_sent_packets) {
-    // Although the data packet cannot be written, the send packet manager is
-    // informed.
-    EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(2);
-  }
   // A connection close packet is sent
   EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_PACKET_WRITE_ERROR, _,
                                            ConnectionCloseSource::FROM_SELF))
@@ -5259,9 +5254,6 @@ TEST_P(QuicConnectionTest, AlwaysGetPacketTooLarge) {
   // Test even we always get packet too large, we do not infinitely try to send
   // close packet.
   AlwaysGetPacketTooLarge();
-  if (!FLAGS_quic_only_track_sent_packets) {
-    EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(2);
-  }
   EXPECT_CALL(visitor_, OnConnectionClosed(QUIC_PACKET_WRITE_ERROR, _,
                                            ConnectionCloseSource::FROM_SELF))
       .Times(1);