Remove QUIC's ReceiveAlgorithmInterface now that it does nothing.

net/quic/quic_received_packet_manager.h

 // Copyright 2013 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.
 //
 // Manages the packet entropy calculation for both sent and received packets
 // for a connection.
 
 #ifndef NET_QUIC_QUIC_RECEIVED_PACKET_MANAGER_H_
 #define NET_QUIC_QUIC_RECEIVED_PACKET_MANAGER_H_
 
 #include <deque>
 
-#include "net/quic/congestion_control/receive_algorithm_interface.h"
 #include "net/quic/quic_config.h"
 #include "net/quic/quic_framer.h"
 #include "net/quic/quic_protocol.h"
 
 namespace net {
 
 namespace test {
 class EntropyTrackerPeer;
 class QuicConnectionPeer;
 class QuicReceivedPacketManagerPeer;
@@ skipping 135 matching lines @@
   QuicPacketSequenceNumber peer_least_packet_awaiting_ack_;
 
   // Received packet information used to produce acks.
   QuicAckFrame ack_frame_;
 
   // The time we received the largest_observed sequence number, or zero if
   // no sequence numbers have been received since UpdateReceivedPacketInfo.
   // Needed for calculating delta_time_largest_observed.
   QuicTime time_largest_observed_;
 
-  scoped_ptr<ReceiveAlgorithmInterface> receive_algorithm_;
-
   QuicConnectionStats* stats_;
 
   PacketTimeList received_packet_times_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicReceivedPacketManager);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_RECEIVED_PACKET_MANAGER_H_