Start using the loss timeout in QuicSentPacketManager and add a mock

net/quic/test_tools/quic_test_utils.h

 // Copyright (c) 2012 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.
 //
 // Common utilities for Quic tests
 
 #ifndef NET_QUIC_TEST_TOOLS_QUIC_TEST_UTILS_H_
 #define NET_QUIC_TEST_TOOLS_QUIC_TEST_UTILS_H_
 
 #include <string>
 #include <vector>
 
 #include "base/strings/string_piece.h"
+#include "net/quic/congestion_control/loss_detection_interface.h"
 #include "net/quic/congestion_control/send_algorithm_interface.h"
 #include "net/quic/quic_ack_notifier.h"
 #include "net/quic/quic_connection.h"
 #include "net/quic/quic_framer.h"
 #include "net/quic/quic_session.h"
 #include "net/quic/quic_spdy_decompressor.h"
 #include "net/quic/test_tools/mock_clock.h"
 #include "net/quic/test_tools/mock_random.h"
 #include "net/spdy/spdy_framer.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ skipping 406 matching lines @@
   MOCK_CONST_METHOD0(BandwidthEstimate, QuicBandwidth(void));
   MOCK_METHOD1(UpdateRtt, void(QuicTime::Delta rtt_sample));
   MOCK_CONST_METHOD0(SmoothedRtt, QuicTime::Delta(void));
   MOCK_CONST_METHOD0(RetransmissionDelay, QuicTime::Delta(void));
   MOCK_CONST_METHOD0(GetCongestionWindow, QuicByteCount());
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockSendAlgorithm);
 };
 
+class MockLossAlgorithm : public LossDetectionInterface {
+ public:
+  MockLossAlgorithm();
+  virtual ~MockLossAlgorithm();
+
+  MOCK_METHOD4(DetectLostPackets,
+               SequenceNumberSet(const QuicUnackedPacketMap& unacked_packets,
+                                 const QuicTime& time,
+                                 QuicPacketSequenceNumber largest_observed,
+                                 QuicTime::Delta srtt));
+  MOCK_CONST_METHOD0(GetLossTimeout, QuicTime());
+};
+
 class TestEntropyCalculator :
       public QuicReceivedEntropyHashCalculatorInterface {
  public:
   TestEntropyCalculator();
   virtual ~TestEntropyCalculator();
 
   virtual QuicPacketEntropyHash EntropyHash(
       QuicPacketSequenceNumber sequence_number) const OVERRIDE;
 };
 
@@ skipping 29 matching lines @@
 
  protected:
   // Object is ref counted.
   virtual ~MockAckNotifierDelegate();
 };
 
 }  // namespace test
 }  // namespace net
 
 #endif  // NET_QUIC_TEST_TOOLS_QUIC_TEST_UTILS_H_