Add path_id to QuicSentPacketManager and QuicSentPacketManager::PendingRetransmission. No functiona…

net/quic/quic_sent_packet_manager.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_QUIC_SENT_PACKET_MANAGER_H_
 #define NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_
 
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 56 matching lines @@
     // Called when congestion window may have changed.
     virtual void OnCongestionWindowChange() = 0;
 
     // Called when RTT may have changed, including when an RTT is read from
     // the config.
     virtual void OnRttChange() = 0;
   };
 
   // Struct to store the pending retransmission information.
   struct PendingRetransmission {
-    PendingRetransmission(QuicPacketNumber packet_number,
+    PendingRetransmission(QuicPathId path_id,
+                          QuicPacketNumber packet_number,
                           TransmissionType transmission_type,
                           const RetransmittableFrames& retransmittable_frames,
                           EncryptionLevel encryption_level,
                           QuicPacketNumberLength packet_number_length)
-        : packet_number(packet_number),
+        : path_id(path_id),
+          packet_number(packet_number),
           transmission_type(transmission_type),
           retransmittable_frames(retransmittable_frames),
           encryption_level(encryption_level),
           packet_number_length(packet_number_length) {}
 
+    QuicPathId path_id;
     QuicPacketNumber packet_number;
     TransmissionType transmission_type;
     const RetransmittableFrames& retransmittable_frames;
     EncryptionLevel encryption_level;
     QuicPacketNumberLength packet_number_length;
   };
 
   QuicSentPacketManager(Perspective perspective,
+                        QuicPathId path_id,
                         const QuicClock* clock,
                         QuicConnectionStats* stats,
                         CongestionControlType congestion_control_type,
                         LossDetectionType loss_type);
   virtual ~QuicSentPacketManager();
 
   virtual void SetFromConfig(const QuicConfig& config);
 
   // Pass the CachedNetworkParameters to the send algorithm.
   void ResumeConnectionState(
@@ skipping 245 matching lines @@
   // be removed from the map and the new entry's retransmittable frames will be
   // set to nullptr.
   QuicUnackedPacketMap unacked_packets_;
 
   // Pending retransmissions which have not been packetized and sent yet.
   PendingRetransmissionMap pending_retransmissions_;
 
   // Tracks if the connection was created by the server or the client.
   Perspective perspective_;
 
+  QuicPathId path_id_;
+
   const QuicClock* clock_;
   QuicConnectionStats* stats_;
   DebugDelegate* debug_delegate_;
   NetworkChangeVisitor* network_change_visitor_;
   const QuicPacketCount initial_congestion_window_;
   RttStats rtt_stats_;
   scoped_ptr<SendAlgorithmInterface> send_algorithm_;
   scoped_ptr<LossDetectionInterface> loss_algorithm_;
   bool n_connection_simulation_;
 
@@ skipping 39 matching lines @@
   // Records bandwidth from server to client in normal operation, over periods
   // of time with no loss events.
   QuicSustainedBandwidthRecorder sustained_bandwidth_recorder_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSentPacketManager);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_