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

net/quic/quic_connection.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 entity that handles framing writes for a Quic client or server.
 // Each QuicSession will have a connection associated with it.
 //
 // On the server side, the Dispatcher handles the raw reads, and hands off
 // packets via ProcessUdpPacket for framing and processing.
 //
@@ skipping 560 matching lines @@
   friend class test::QuicConnectionPeer;
   friend class test::PacketSavingConnection;
 
   typedef std::list<QueuedPacket> QueuedPacketList;
   typedef std::map<QuicFecGroupNumber, QuicFecGroup*> FecGroupMap;
 
   // Writes the given packet to socket, encrypted with packet's
   // encryption_level. Returns true on successful write, and false if the writer
   // was blocked and the write needs to be tried again. Notifies the
   // SentPacketManager when the write is successful and sets
-  // retransmittable frames to NULL.
+  // retransmittable frames to nullptr.
   // Saves the connection close packet for later transmission, even if the
   // writer is write blocked.
   bool WritePacket(QueuedPacket* packet);
 
   // Does the main work of WritePacket, but does not delete the packet or
   // retransmittable frames upon success.
   bool WritePacketInner(QueuedPacket* packet);
 
   // Make sure an ack we got from our peer is sane.
   bool ValidateAckFrame(const QuicAckFrame& incoming_ack);
@@ skipping 47 matching lines @@
   void UpdateStopWaitingCount();
 
   // Sends any packets which are a response to the last packet, including both
   // acks and pending writes if an ack opened the congestion window.
   void MaybeSendInResponseToPacket();
 
   // Gets the least unacked sequence number, which is the next sequence number
   // to be sent if there are no outstanding packets.
   QuicPacketSequenceNumber GetLeastUnacked() const;
 
-  // Get the FEC group associate with the last processed packet or NULL, if the
-  // group has already been deleted.
+  // Get the FEC group associate with the last processed packet or nullptr, if
+  // the group has already been deleted.
   QuicFecGroup* GetFecGroup();
 
   // Closes any FEC groups protecting packets before |sequence_number|.
   void CloseFecGroupsBefore(QuicPacketSequenceNumber sequence_number);
 
   // Sets the timeout alarm to the appropriate value, if any.
   void SetTimeoutAlarm();
 
   // Sets the ping alarm to the appropriate value, if any.
   void SetPingAlarm();
@@ skipping 150 matching lines @@
   // If non-empty this contains the set of versions received in a
   // version negotiation packet.
   QuicVersionVector server_supported_versions_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicConnection);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_CONNECTION_H_