Add original_path_id to SerializedPacket and OnPacketSent. No functional change expected.

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 <stddef.h>
@@ skipping 810 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(MockNetworkChangeVisitor);
 };
 
 class MockQuicConnectionDebugVisitor : public QuicConnectionDebugVisitor {
  public:
   MockQuicConnectionDebugVisitor();
   ~MockQuicConnectionDebugVisitor() override;
 
   MOCK_METHOD1(OnFrameAddedToPacket, void(const QuicFrame&));
 
-  MOCK_METHOD4(OnPacketSent,
+  MOCK_METHOD5(OnPacketSent,
                void(const SerializedPacket&,
+                    QuicPathId,
                     QuicPacketNumber,
                     TransmissionType,
                     QuicTime));
 
   MOCK_METHOD3(OnPacketReceived,
                void(const IPEndPoint&,
                     const IPEndPoint&,
                     const QuicEncryptedPacket&));
 
   MOCK_METHOD1(OnIncorrectConnectionId, void(QuicConnectionId));
@@ skipping 90 matching lines @@
     TestQuicSpdyServerSession** server_session);
 
 // Helper to generate client side stream ids, generalizes
 // kClientDataStreamId1 etc. above.
 QuicStreamId QuicClientDataStreamId(int i);
 
 }  // namespace test
 }  // namespace net
 
 #endif  // NET_QUIC_TEST_TOOLS_QUIC_TEST_UTILS_H_