Allow QUIC's BBR TCP sender to pace based on min rtt and add an explicit

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>
@@ skipping 440 matching lines @@
                                        const CongestionVector& lost_packets));
   MOCK_METHOD5(OnPacketSent,
                bool(QuicTime, QuicByteCount, QuicPacketSequenceNumber,
                     QuicByteCount, HasRetransmittableData));
   MOCK_METHOD1(OnRetransmissionTimeout, void(bool));
   MOCK_METHOD0(RevertRetransmissionTimeout, void());
   MOCK_CONST_METHOD3(TimeUntilSend,
                      QuicTime::Delta(QuicTime now,
                                      QuicByteCount bytes_in_flight,
                                      HasRetransmittableData));
+  MOCK_CONST_METHOD0(PacingRate, QuicBandwidth(void));
   MOCK_CONST_METHOD0(BandwidthEstimate, QuicBandwidth(void));
   MOCK_CONST_METHOD0(HasReliableBandwidthEstimate, bool());
   MOCK_METHOD1(OnRttUpdated, void(QuicPacketSequenceNumber));
   MOCK_CONST_METHOD0(RetransmissionDelay, QuicTime::Delta(void));
   MOCK_CONST_METHOD0(GetCongestionWindow, QuicByteCount());
   MOCK_CONST_METHOD0(InSlowStart, bool());
   MOCK_CONST_METHOD0(InRecovery, bool());
   MOCK_CONST_METHOD0(GetSlowStartThreshold, QuicByteCount());
   MOCK_CONST_METHOD0(GetCongestionControlType, CongestionControlType());
 
@@ skipping 111 matching lines @@
   // clears the pointer to it to prevent use-after-free.
   void Unregister(PerConnectionPacketWriter* writer);
 
   PerConnectionPacketWriter* current_writer_;
 };
 
 }  // namespace test
 }  // namespace net
 
 #endif  // NET_QUIC_TEST_TOOLS_QUIC_TEST_UTILS_H_