Simplify QuicUnackedPacketMap to expose AddSentPacket, instead of

net/quic/quic_sent_packet_manager_test.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/quic_sent_packet_manager.h"
 
 #include "base/stl_util.h"
 #include "net/quic/quic_flags.h"
 #include "net/quic/test_tools/quic_config_peer.h"
 #include "net/quic/test_tools/quic_sent_packet_manager_peer.h"
@@ skipping 150 matching lines @@
 
     EXPECT_CALL(*send_algorithm_,
                 OnPacketSent(_, BytesInFlight(), new_sequence_number,
                              kDefaultLength, HAS_RETRANSMITTABLE_DATA))
         .WillOnce(Return(true));
     SerializedPacket packet(CreatePacket(new_sequence_number, false));
     manager_.OnPacketSent(&packet,
                           old_sequence_number,
                           clock_.Now(),
                           kDefaultLength,
-                          LOSS_RETRANSMISSION,
+                          TLP_RETRANSMISSION,
                           HAS_RETRANSMITTABLE_DATA);
     EXPECT_TRUE(QuicSentPacketManagerPeer::IsRetransmission(
         &manager_, new_sequence_number));
   }
 
   SerializedPacket CreateDataPacket(QuicPacketSequenceNumber sequence_number) {
     return CreatePacket(sequence_number, true);
   }
 
   SerializedPacket CreatePacket(QuicPacketSequenceNumber sequence_number,
@@ skipping 1199 matching lines @@
       .WillOnce(Return(100 * kDefaultTCPMSS));
   manager_.SetFromConfig(config);
 
   EXPECT_EQ(initial_rtt_us,
             manager_.GetRttStats()->SmoothedRtt().ToMicroseconds());
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net