Update from https://crrev.com/305340

net/quic/congestion_control/tcp_loss_algorithm_test.cc

 // Copyright 2014 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 <algorithm>
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "net/quic/congestion_control/rtt_stats.h"
 #include "net/quic/congestion_control/tcp_loss_algorithm.h"
 #include "net/quic/quic_unacked_packet_map.h"
 #include "net/quic/test_tools/mock_clock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using std::vector;
+
 namespace net {
 namespace test {
+namespace {
+
+// Default packet length.
+const uint32 kDefaultLength = 1000;
 
 class TcpLossAlgorithmTest : public ::testing::Test {
  protected:
   TcpLossAlgorithmTest()
       : unacked_packets_() {
     rtt_stats_.UpdateRtt(QuicTime::Delta::FromMilliseconds(100),
                          QuicTime::Delta::Zero(),
                          clock_.Now());
   }
 
+  ~TcpLossAlgorithmTest() override {
+    STLDeleteElements(&packets_);
+  }
+
   void SendDataPacket(QuicPacketSequenceNumber sequence_number) {
+    packets_.push_back(QuicPacket::NewDataPacket(
+        nullptr, kDefaultLength, false, PACKET_8BYTE_CONNECTION_ID, false,
+        PACKET_1BYTE_SEQUENCE_NUMBER));
     SerializedPacket packet(sequence_number, PACKET_1BYTE_SEQUENCE_NUMBER,
-                            nullptr, 0, new RetransmittableFrames());
+                            packets_.back(), 0, new RetransmittableFrames());
     unacked_packets_.AddSentPacket(packet, 0, NOT_RETRANSMISSION, clock_.Now(),
                                    1000, true);
   }
 
   void VerifyLosses(QuicPacketSequenceNumber largest_observed,
                     QuicPacketSequenceNumber* losses_expected,
                     size_t num_losses) {
     SequenceNumberSet lost_packets =
         loss_algorithm_.DetectLostPackets(
             unacked_packets_, clock_.Now(), largest_observed, rtt_stats_);
     EXPECT_EQ(num_losses, lost_packets.size());
     for (size_t i = 0; i < num_losses; ++i) {
       EXPECT_TRUE(ContainsKey(lost_packets, losses_expected[i]));
     }
   }
 
+  vector<QuicPacket*> packets_;
   QuicUnackedPacketMap unacked_packets_;
   TCPLossAlgorithm loss_algorithm_;
   RttStats rtt_stats_;
   MockClock clock_;
 };
 
 TEST_F(TcpLossAlgorithmTest, NackRetransmit1Packet) {
   const size_t kNumSentPackets = 5;
   // Transmit 5 packets.
   for (size_t i = 1; i <= kNumSentPackets; ++i) {
@@ skipping 116 matching lines @@
   unacked_packets_.RemoveRetransmittability(1);
 
   // Early retransmit when the final packet gets acked and the first is nacked.
   unacked_packets_.IncreaseLargestObserved(2);
   unacked_packets_.RemoveFromInFlight(2);
   unacked_packets_.NackPacket(1, 1);
   VerifyLosses(2, nullptr, 0);
   EXPECT_EQ(QuicTime::Zero(), loss_algorithm_.GetLossTimeout());
 }
 
+}  // namespace
 }  // namespace test
 }  // namespace net