Migrates QUIC sessions to a new network when old network is (about to be) disconnected.

net/quic/quic_packet_reader.cc

 // Copyright (c) 2015 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_packet_reader.h"
 
 #include "base/location.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
@@ skipping 55 matching lines @@
     OnReadComplete(rv);
   }
 }
 
 void QuicPacketReader::OnReadComplete(int result) {
   read_pending_ = false;
   if (result == 0)
     result = ERR_CONNECTION_CLOSED;
 
   if (result < 0) {
-    visitor_->OnReadError(result);
+    visitor_->OnReadError(result, socket_);
     return;
   }
 
   QuicEncryptedPacket packet(read_buffer_->data(), result);
   IPEndPoint local_address;
   IPEndPoint peer_address;
   socket_->GetLocalAddress(&local_address);
   socket_->GetPeerAddress(&peer_address);
   if (!visitor_->OnPacket(packet, local_address, peer_address))
     return;
 
   StartReading();
 }
 
 }  // namespace net