Add path_id to SerializedPacket. No functional change.

net/quic/quic_sent_packet_manager_test.cc

 // 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.
 
 #include "net/quic/quic_sent_packet_manager.h"
 
 #include "base/stl_util.h"
 #include "net/quic/quic_flags.h"
 #include "net/quic/test_tools/quic_config_peer.h"
 #include "net/quic/test_tools/quic_sent_packet_manager_peer.h"
@@ skipping 171 matching lines @@
 
   SerializedPacket CreatePacket(QuicPacketNumber packet_number,
                                 bool retransmittable) {
     packets_.push_back(new QuicEncryptedPacket(nullptr, kDefaultLength));
     RetransmittableFrames* frames = nullptr;
     if (retransmittable) {
       frames = new RetransmittableFrames();
       frames->AddFrame(
           QuicFrame(new QuicStreamFrame(kStreamId, false, 0, StringPiece())));
     }
-    return SerializedPacket(packet_number, PACKET_6BYTE_PACKET_NUMBER,
-                            packets_.back(), 0u, frames, false, false);
+    return SerializedPacket(kDefaultPathId, packet_number,
+                            PACKET_6BYTE_PACKET_NUMBER, packets_.back(), 0u,
+                            frames, false, false);
   }
 
   SerializedPacket CreateFecPacket(QuicPacketNumber packet_number) {
     packets_.push_back(new QuicEncryptedPacket(nullptr, kDefaultLength));
-    SerializedPacket serialized(packet_number, PACKET_6BYTE_PACKET_NUMBER,
-                                packets_.back(), 0u, nullptr, false, false);
+    SerializedPacket serialized(kDefaultPathId, packet_number,
+                                PACKET_6BYTE_PACKET_NUMBER, packets_.back(), 0u,
+                                nullptr, false, false);
     serialized.is_fec_packet = true;
     return serialized;
   }
 
   void SendDataPacket(QuicPacketNumber packet_number) {
     EXPECT_CALL(*send_algorithm_,
                 OnPacketSent(_, BytesInFlight(), packet_number, _, _))
         .Times(1)
         .WillOnce(Return(true));
     SerializedPacket packet(CreateDataPacket(packet_number));
@@ skipping 1475 matching lines @@
 
   EXPECT_CALL(*send_algorithm_, ResumeConnectionState(_, false));
   manager_.ResumeConnectionState(cached_network_params, false);
   EXPECT_EQ(kRttMs * kNumMicrosPerMilli,
             static_cast<uint64>(manager_.GetRttStats()->initial_rtt_us()));
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net