Remove the using_pacing argument from QuicSentPacketManager::SetFromConfig because it's always true.

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 455 matching lines @@
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockPacketWriter);
 };
 
 class MockSendAlgorithm : public SendAlgorithmInterface {
  public:
   MockSendAlgorithm();
   ~MockSendAlgorithm() override;
 
-  MOCK_METHOD3(SetFromConfig,
+  MOCK_METHOD2(SetFromConfig,
                void(const QuicConfig& config,
-                    Perspective perspective,
-                    bool using_pacing));
+                    Perspective perspective));
   MOCK_METHOD1(SetNumEmulatedConnections, void(int num_connections));
   MOCK_METHOD1(SetMaxCongestionWindow,
                void(QuicByteCount max_congestion_window));
   MOCK_METHOD4(OnCongestionEvent, void(bool rtt_updated,
                                        QuicByteCount bytes_in_flight,
                                        const CongestionVector& acked_packets,
                                        const CongestionVector& lost_packets));
   MOCK_METHOD5(OnPacketSent,
                bool(QuicTime, QuicByteCount, QuicPacketSequenceNumber,
                     QuicByteCount, HasRetransmittableData));
@@ skipping 175 matching lines @@
                void(const QuicVersionNegotiationPacket&));
 
   MOCK_METHOD2(OnRevivedPacket,
                void(const QuicPacketHeader&, StringPiece payload));
 };
 
 }  // namespace test
 }  // namespace net
 
 #endif  // NET_QUIC_TEST_TOOLS_QUIC_TEST_UTILS_H_