relnote: Refactor QuicAckFrame::missing_packets to support a change to a

net/quic/quic_sent_entropy_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_SENT_ENTROPY_MANAGER_H_
 #define NET_QUIC_QUIC_SENT_ENTROPY_MANAGER_H_
 
@@ skipping 23 matching lines @@
                                QuicPacketEntropyHash entropy_hash);
 
   // Retrieves the cumulative entropy up to |packet_number|.
   // Must always be called with a monotonically increasing |packet_number|.
   QuicPacketEntropyHash GetCumulativeEntropy(QuicPacketNumber packet_number);
 
   // Returns true if |entropy_hash| matches the expected sent entropy hash
   // up to |largest_observed| removing packet numbers from |missing_packets|.
   // Must always be called with a monotonically increasing |largest_observed|.
   bool IsValidEntropy(QuicPacketNumber largest_observed,
-                      const PacketNumberSet& missing_packets,
+                      const PacketNumberQueue& missing_packets,
                       QuicPacketEntropyHash entropy_hash);
 
   // Removes unnecessary entries before |packet_number|.
   void ClearEntropyBefore(QuicPacketNumber packet_number);
 
  private:
   friend class test::QuicConnectionPeer;
 
   typedef std::deque<QuicPacketEntropyHash> SentEntropyMap;
 
@@ skipping 23 matching lines @@
 
   // Cache the cumulative entropy for the packet number used by EntropyHash.
   CumulativeEntropy last_cumulative_entropy_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSentEntropyManager);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SENT_ENTROPY_MANAGER_H_