Move shared files in net/quic/ into net/quic/core/

net/quic/congestion_control/general_loss_algorithm.h

-// Copyright 2015 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.
-
-#ifndef NET_QUIC_CONGESTION_CONTROL_GENERAL_LOSS_ALGORITHM_H_
-#define NET_QUIC_CONGESTION_CONTROL_GENERAL_LOSS_ALGORITHM_H_
-
-#include <algorithm>
-#include <map>
-
-#include "base/macros.h"
-#include "net/quic/congestion_control/loss_detection_interface.h"
-#include "net/quic/quic_protocol.h"
-#include "net/quic/quic_time.h"
-#include "net/quic/quic_unacked_packet_map.h"
-
-namespace net {
-
-// Class which can be configured to implement's TCP's approach of detecting loss
-// when 3 nacks have been received for a packet or with a time threshold.
-// Also implements TCP's early retransmit(RFC5827).
-class NET_EXPORT_PRIVATE GeneralLossAlgorithm : public LossDetectionInterface {
- public:
-  // TCP retransmits after 3 nacks.
-  static const QuicPacketCount kNumberOfNacksBeforeRetransmission = 3;
-
-  GeneralLossAlgorithm();
-  explicit GeneralLossAlgorithm(LossDetectionType loss_type);
-  ~GeneralLossAlgorithm() override {}
-
-  LossDetectionType GetLossDetectionType() const override;
-  void SetLossDetectionType(LossDetectionType loss_type);
-
-  // Uses |largest_acked| and time to decide when packets are lost.
-  void DetectLosses(
-      const QuicUnackedPacketMap& unacked_packets,
-      QuicTime time,
-      const RttStats& rtt_stats,
-      QuicPacketNumber largest_newly_acked,
-      SendAlgorithmInterface::CongestionVector* packets_lost) override;
-
-  // Returns a non-zero value when the early retransmit timer is active.
-  QuicTime GetLossTimeout() const override;
-
-  // Increases the loss detection threshold for time loss detection.
-  void SpuriousRetransmitDetected(
-      const QuicUnackedPacketMap& unacked_packets,
-      QuicTime time,
-      const RttStats& rtt_stats,
-      QuicPacketNumber spurious_retransmission) override;
-
-  int reordering_shift() const { return reordering_shift_; }
-
- private:
-  LossDetectionType loss_type_;
-  QuicTime loss_detection_timeout_;
-  // Largest sent packet when a spurious retransmit is detected.
-  // Prevents increasing the reordering threshold multiple times per epoch.
-  QuicPacketNumber largest_sent_on_spurious_retransmit_;
-  // Fraction of a max(SRTT, latest_rtt) to permit reordering before declaring
-  // loss.  Fraction calculated by shifting max(SRTT, latest_rtt) to the right
-  // by reordering_shift.
-  int reordering_shift_;
-
-  DISALLOW_COPY_AND_ASSIGN(GeneralLossAlgorithm);
-};
-
-}  // namespace net
-
-#endif  // NET_QUIC_CONGESTION_CONTROL_GENERAL_LOSS_ALGORITHM_H_