Refactor of QUIC's rtt storage and calculation to have a single RttStats

net/quic/test_tools/quic_test_utils.h

Index: net/quic/test_tools/quic_test_utils.h
diff --git a/net/quic/test_tools/quic_test_utils.h b/net/quic/test_tools/quic_test_utils.h
index 7007cdc2f6f47a4f97ff267c5fbc8c04e1396223..0199e68e361e7f4d777ed41a6a615c9b6245247c 100644
--- a/net/quic/test_tools/quic_test_utils.h
+++ b/net/quic/test_tools/quic_test_utils.h
@@ -442,7 +442,6 @@ class MockSendAlgorithm : public SendAlgorithmInterface {
                                               IsHandshake));
   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());
 
@@ -455,12 +454,11 @@ class MockLossAlgorithm : public LossDetectionInterface {
   MockLossAlgorithm();
   virtual ~MockLossAlgorithm();
 
-  MOCK_METHOD5(DetectLostPackets,
+  MOCK_METHOD4(DetectLostPackets,
                SequenceNumberSet(const QuicUnackedPacketMap& unacked_packets,
                                  const QuicTime& time,
                                  QuicPacketSequenceNumber largest_observed,
-                                 QuicTime::Delta srtt,
-                                 QuicTime::Delta latest_rtt));
+                                 const RttStats& rtt_stats));
   MOCK_CONST_METHOD0(GetLossTimeout, QuicTime());
 };