Add QuicSentPacketManagerInterface, and QuicSentPacketManager implements it. No functional change e…

net/quic/test_tools/quic_sent_packet_manager_peer.h

 // Copyright 2013 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.
 
 #ifndef NET_QUIC_TEST_TOOLS_QUIC_SENT_PACKET_MANAGER_PEER_H_
 #define NET_QUIC_TEST_TOOLS_QUIC_SENT_PACKET_MANAGER_PEER_H_
 
 #include <stddef.h>
 
 #include "base/macros.h"
@@ skipping 38 matching lines @@
 
   static void SetLossAlgorithm(QuicSentPacketManager* sent_packet_manager,
                                LossDetectionInterface* loss_detector);
 
   static bool HasPendingPackets(
       const QuicSentPacketManager* sent_packet_manager);
 
   static QuicTime GetSentTime(const QuicSentPacketManager* sent_packet_manager,
                               QuicPacketNumber packet_number);
 
-  // Returns true if |packet_number| is a retransmission of a packet.
+  // Returns true if |packet_number| of |path_id| is a retransmission of a
+  // packet.
   static bool IsRetransmission(QuicSentPacketManager* sent_packet_manager,
+                               QuicPathId path_id,
                                QuicPacketNumber packet_number);
 
   static void MarkForRetransmission(QuicSentPacketManager* sent_packet_manager,
+                                    QuicPathId path_id,
                                     QuicPacketNumber packet_number,
                                     TransmissionType transmission_type);
 
   static QuicTime::Delta GetRetransmissionDelay(
       const QuicSentPacketManager* sent_packet_manager);
 
   static bool HasUnackedCryptoPackets(
       const QuicSentPacketManager* sent_packet_manager);
 
   static size_t GetNumRetransmittablePackets(
       const QuicSentPacketManager* sent_packet_manager);
 
   static QuicByteCount GetBytesInFlight(
       const QuicSentPacketManager* sent_packet_manager);
 
-  static QuicSentPacketManager::NetworkChangeVisitor* GetNetworkChangeVisitor(
-      const QuicSentPacketManager* sent_packet_manager);
+  static QuicSentPacketManagerInterface::NetworkChangeVisitor*
+  GetNetworkChangeVisitor(const QuicSentPacketManager* sent_packet_manager);
 
   static void SetConsecutiveRtoCount(QuicSentPacketManager* sent_packet_manager,
                                      size_t count);
 
   static void SetConsecutiveTlpCount(QuicSentPacketManager* sent_packet_manager,
                                      size_t count);
 
   static QuicSustainedBandwidthRecorder& GetBandwidthRecorder(
       QuicSentPacketManager* sent_packet_manager);
 
+  static bool UsingPacing(const QuicSentPacketManager* sent_packet_manager);
+
  private:
   DISALLOW_COPY_AND_ASSIGN(QuicSentPacketManagerPeer);
 };
 
 }  // namespace test
 
 }  // namespace net
 
 #endif  // NET_QUIC_TEST_TOOLS_QUIC_SENT_PACKET_MANAGER_PEER_H_