Allow the number of undecryptable QUIC packets buffered before the

net/quic/quic_protocol.h

Index: net/quic/quic_protocol.h
diff --git a/net/quic/quic_protocol.h b/net/quic/quic_protocol.h
index 6a1bec59f0503916b16f1a629e59f7514a0ba3ea..afae9bac8328e90a9377bf4b6fdef27f42951540 100644
--- a/net/quic/quic_protocol.h
+++ b/net/quic/quic_protocol.h
@@ -117,6 +117,10 @@ const int64 kMaximumIdleTimeoutSecs = 60 * 10;  // 10 minutes.
 // The default timeout for a connection until the crypto handshake succeeds.
 const int64 kMaxTimeForCryptoHandshakeSecs = 10;  // 10 secs.
 
+// Default limit on the number of undecryptable packets the connection buffers
+// before the CHLO/SHLO arrive.
+const size_t kDefaultMaxUndecryptablePackets = 10;
+
 // Default ping timeout.
 const int64 kPingTimeoutSecs = 15;  // 15 secs.