QUIC - (no behavior change) s/NULL/nullptr/g in .../quic/...

net/quic/quic_sent_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.
 
 #ifndef NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_
 #define NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_
 
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 309 matching lines @@
       QuicPacketSequenceNumber acked_sequence_number);
 
   // Returns true if the client is sending or the server has received a
   // connection option.
   bool HasClientSentConnectionOption(const QuicConfig& config,
                                      QuicTag tag) const;
 
   // Newly serialized retransmittable and fec packets are added to this map,
   // which contains owning pointers to any contained frames.  If a packet is
   // retransmitted, this map will contain entries for both the old and the new
-  // packet. The old packet's retransmittable frames entry will be NULL, while
-  // the new packet's entry will contain the frames to retransmit.
+  // packet. The old packet's retransmittable frames entry will be nullptr,
+  // while the new packet's entry will contain the frames to retransmit.
   // If the old packet is acked before the new packet, then the old entry will
   // be removed from the map and the new entry's retransmittable frames will be
-  // set to NULL.
+  // set to nullptr.
   QuicUnackedPacketMap unacked_packets_;
 
   // Pending retransmissions which have not been packetized and sent yet.
   PendingRetransmissionMap pending_retransmissions_;
 
   // Tracks if the connection was created by the server.
   bool is_server_;
 
   // An AckNotifier can register to be informed when ACKs have been received for
   // all packets that a given block of data was sent in. The AckNotifierManager
@@ skipping 39 matching lines @@
   // Records bandwidth from server to client in normal operation, over periods
   // of time with no loss events.
   QuicSustainedBandwidthRecorder sustained_bandwidth_recorder_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSentPacketManager);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_