Remove QuicFecGroup::MinProtectedPacket which is no longer needed. No behavior change expected.

net/quic/quic_fec_group.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.
 //
 // Tracks information about an FEC group, including the packets
 // that have been seen, and the running parity.  Provides the ability
 // to revive a dropped packet.
 
 #ifndef NET_QUIC_QUIC_FEC_GROUP_H_
 #define NET_QUIC_QUIC_FEC_GROUP_H_
@@ skipping 18 matching lines @@
   bool UpdateFec(EncryptionLevel encryption_level,
                  const QuicPacketHeader& header,
                  base::StringPiece redundancy) override;
   bool CanRevive() const override;
   bool IsFinished() const override;
   size_t Revive(QuicPacketHeader* header,
                 char* decrypted_payload,
                 size_t decrypted_payload_len) override;
   bool IsWaitingForPacketBefore(QuicPacketNumber num) const override;
   const base::StringPiece PayloadParity() const override;
-  QuicPacketNumber MinProtectedPacket() const override;
   QuicPacketCount NumReceivedPackets() const override;
   EncryptionLevel EffectiveEncryptionLevel() const override;
 
  private:
   bool UpdateParity(base::StringPiece payload);
   // Returns the number of missing packets, or QuicPacketCount max
   // if the number of missing packets is not known.
   QuicPacketCount NumMissingPackets() const;
 
   bool has_received_fec_packet() const {
@@ skipping 16 matching lines @@
   // The effective encryption level, which is the lowest encryption level of
   // the data and FEC in the group.
   EncryptionLevel effective_encryption_level_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicFecGroup);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_FEC_GROUP_H_