Allow the number of undecryptable QUIC packets buffered before the

net/quic/quic_config.h

Index: net/quic/quic_config.h
diff --git a/net/quic/quic_config.h b/net/quic/quic_config.h
index a9681fbf36fcc7159538271d594a6264227356ef..6d312e3b220813736c27ebf93a4e141e1601b2d2 100644
--- a/net/quic/quic_config.h
+++ b/net/quic/quic_config.h
@@ -304,6 +304,14 @@ class NET_EXPORT_PRIVATE QuicConfig {
     return max_idle_time_before_crypto_handshake_;
   }
 
+  void set_max_undecryptable_packets(size_t max_undecryptable_packets) {
+    max_undecryptable_packets_ = max_undecryptable_packets;
+  }
+
+  size_t max_undecryptable_packets() const {
+    return max_undecryptable_packets_;
+  }
+
   // Sets the peer's default initial congestion window in packets.
   void SetInitialCongestionWindowToSend(size_t initial_window);
 
@@ -383,6 +391,8 @@ class NET_EXPORT_PRIVATE QuicConfig {
   QuicTime::Delta max_time_before_crypto_handshake_;
   // Maximum idle time before the crypto handshake has completed.
   QuicTime::Delta max_idle_time_before_crypto_handshake_;
+  // Maximum number of undecryptable packets stored before CHLO/SHLO.
+  size_t max_undecryptable_packets_;
 
   // Congestion control feedback type.
   QuicNegotiableTag congestion_feedback_;