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

net/quic/p2p/quic_p2p_crypto_stream.cc

 // Copyright 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/p2p/quic_p2p_crypto_stream.h"
 
 #include "crypto/hkdf.h"
 #include "net/quic/crypto/crypto_handshake_message.h"
 #include "net/quic/crypto/quic_decrypter.h"
 #include "net/quic/crypto/quic_encrypter.h"
@@ skipping 23 matching lines @@
       false /* don't latch */);
   encryption_established_ = true;
   session()->OnCryptoHandshakeEvent(QuicSession::ENCRYPTION_FIRST_ESTABLISHED);
   session()->OnConfigNegotiated();
   session()->connection()->OnHandshakeComplete();
   handshake_confirmed_ = true;
   session()->OnCryptoHandshakeEvent(QuicSession::HANDSHAKE_CONFIRMED);
   if (session()->connection()->perspective() == Perspective::IS_CLIENT) {
     // Send a ping from the client to the server to satisfy QUIC's version
     // negotiation.
-    session()->connection()->SendPing();
+    session()->connection()->SendPing(/*force=*/false);
   }
   return true;
 }
 
 }  // namespace net