Update from chromium https://crrev.com/302282

net/quic/quic_packet_generator.h

Index: net/quic/quic_packet_generator.h
diff --git a/net/quic/quic_packet_generator.h b/net/quic/quic_packet_generator.h
index 44a6ddfb5999cc0f7f01d12c3758d3fb04364cd3..56c36940868937a47075fae55b216e28afdddce5 100644
--- a/net/quic/quic_packet_generator.h
+++ b/net/quic/quic_packet_generator.h
@@ -167,6 +167,9 @@ class NET_EXPORT_PRIVATE QuicPacketGenerator {
       QuicPacketSequenceNumber least_packet_awaited_by_peer,
       QuicByteCount congestion_window);
 
+  // Set the minimum number of bytes for the connection id length;
+  void SetConnectionIdLength(uint32 length);
+
   // Sets the encryption level that will be applied to new packets.
   void set_encryption_level(EncryptionLevel level);