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

net/quic/p2p/quic_p2p_crypto_stream.cc

Index: net/quic/p2p/quic_p2p_crypto_stream.cc
diff --git a/net/quic/p2p/quic_p2p_crypto_stream.cc b/net/quic/p2p/quic_p2p_crypto_stream.cc
index f5acb98b1b994c6ca0e3f05c851b2a8fa7841ff8..840e3ec5c50da13bac112a335c6c87ca1da21716 100644
--- a/net/quic/p2p/quic_p2p_crypto_stream.cc
+++ b/net/quic/p2p/quic_p2p_crypto_stream.cc
@@ -41,7 +41,7 @@ bool QuicP2PCryptoStream::Connect() {
   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;
 }