Update from https://crrev.com/312398

net/quic/congestion_control/receive_algorithm_interface.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 pure virtual class for receive side congestion algorithm.
 
 #ifndef NET_QUIC_CONGESTION_CONTROL_RECEIVE_ALGORITHM_INTERFACE_H_
 #define NET_QUIC_CONGESTION_CONTROL_RECEIVE_ALGORITHM_INTERFACE_H_
 
 #include "base/basictypes.h"
 #include "net/base/net_export.h"
 #include "net/quic/quic_clock.h"
 #include "net/quic/quic_protocol.h"
 #include "net/quic/quic_time.h"
 
 namespace net {
 
 class NET_EXPORT_PRIVATE ReceiveAlgorithmInterface {
  public:
-  static ReceiveAlgorithmInterface* Create(CongestionFeedbackType type);
+  static ReceiveAlgorithmInterface* Create();
 
   virtual ~ReceiveAlgorithmInterface() {}
 
-  // Returns false if no QuicCongestionFeedbackFrame block is needed.
-  // Otherwise fills in feedback and return true.
-  virtual bool GenerateCongestionFeedback(
-      QuicCongestionFeedbackFrame* feedback) = 0;
-
   // Should be called for each incoming packet.
   // bytes: is the packet size in bytes including IP headers.
   // sequence_number: is the unique sequence number from the QUIC packet header.
   // timestamp: is the sent timestamp from the QUIC packet header.
   virtual void RecordIncomingPacket(QuicByteCount bytes,
                                     QuicPacketSequenceNumber sequence_number,
                                     QuicTime timestamp) = 0;
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CONGESTION_CONTROL_RECEIVE_ALGORITHM_INTERFACE_H_