Deprecate FLAGS_quic_remove_obsolete_forward_secure.

net/quic/core/quic_connection.h

 // Copyright (c) 2012 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.
 //
 // The entity that handles framing writes for a Quic client or server.
 // Each QuicSession will have a connection associated with it.
 //
 // On the server side, the Dispatcher handles the raw reads, and hands off
 // packets via ProcessUdpPacket for framing and processing.
 //
@@ skipping 862 matching lines @@
 
   QuicFramer framer_;
   QuicConnectionHelperInterface* helper_;  // Not owned.
   QuicAlarmFactory* alarm_factory_;        // Not owned.
   PerPacketOptions* per_packet_options_;   // Not owned.
   QuicPacketWriter* writer_;  // Owned or not depending on |owns_writer_|.
   bool owns_writer_;
   // Encryption level for new packets. Should only be changed via
   // SetDefaultEncryptionLevel().
   EncryptionLevel encryption_level_;
-  bool has_forward_secure_encrypter_;
-  // The packet number of the first packet which will be encrypted with the
-  // foward-secure encrypter, even if the peer has not started sending
-  // forward-secure packets.
-  QuicPacketNumber first_required_forward_secure_packet_;
   const QuicClock* clock_;
   QuicRandom* random_generator_;
 
   const QuicConnectionId connection_id_;
   // Address on the last successfully processed packet received from the
   // client.
   IPEndPoint self_address_;
   IPEndPoint peer_address_;
 
   // Records change type when the peer initiates migration to a new peer
@@ skipping 210 matching lines @@
   // Indicates whether a write error is encountered currently. This is used to
   // avoid infinite write errors.
   bool write_error_occured_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicConnection);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_CONNECTION_H_