Replace QuicAckListenerInterface* with scoped_refptr<QuicAckListenerInterface>.

net/quic/core/quic_packet_creator.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.
 //
 // Accumulates frames for the next packet until more frames no longer fit or
 // it's time to create a packet from them. If multipath enabled, only creates
 // packets on one path at the same time. Currently, next packet number is
 // tracked per-path.
 
 #ifndef NET_QUIC_CORE_QUIC_PACKET_CREATOR_H_
@@ skipping 101 matching lines @@
                             size_t buffer_len);
 
   // Serializes all added frames into a single packet and invokes the delegate_
   // to further process the SerializedPacket.
   void Flush();
 
   // Optimized method to create a QuicStreamFrame and serialize it. Adds the
   // QuicStreamFrame to the returned SerializedPacket.  Sets
   // |num_bytes_consumed| to the number of bytes consumed to create the
   // QuicStreamFrame.
-  void CreateAndSerializeStreamFrame(QuicStreamId id,
-                                     const QuicIOVector& iov,
-                                     QuicStreamOffset iov_offset,
-                                     QuicStreamOffset stream_offset,
-                                     bool fin,
-                                     QuicAckListenerInterface* listener,
-                                     size_t* num_bytes_consumed);
+  void CreateAndSerializeStreamFrame(
+      QuicStreamId id,
+      const QuicIOVector& iov,
+      QuicStreamOffset iov_offset,
+      QuicStreamOffset stream_offset,
+      bool fin,
+      const scoped_refptr<QuicAckListenerInterface>& listener,
+      size_t* num_bytes_consumed);
 
   // Returns true if there are frames pending to be serialized.
   bool HasPendingFrames() const;
 
   // Returns true if there are retransmittable frames pending to be serialized.
   bool HasPendingRetransmittableFrames() const;
 
   // Returns the number of bytes which are available to be used by additional
   // frames in the packet.  Since stream frames are slightly smaller when they
   // are the last frame in a packet, this method will return a different
@@ skipping 15 matching lines @@
   // Tries to add |frame| to the packet creator's list of frames to be
   // serialized. If the frame does not fit into the current packet, flushes the
   // packet and returns false.
   bool AddSavedFrame(const QuicFrame& frame);
 
   // Identical to AddSavedFrame, but allows the frame to be padded.
   bool AddPaddedSavedFrame(const QuicFrame& frame);
 
   // Adds |listener| to the next serialized packet and notifies the
   // std::listener with |length| as the number of acked bytes.
-  void AddAckListener(QuicAckListenerInterface* listener,
+  void AddAckListener(const scoped_refptr<QuicAckListenerInterface>& listener,
                       QuicPacketLength length);
 
   // Creates a version negotiation packet which supports |supported_versions|.
   std::unique_ptr<QuicEncryptedPacket> SerializeVersionNegotiationPacket(
       const QuicVersionVector& supported_versions);
 
   // Returns a dummy packet that is valid but contains no useful information.
   static SerializedPacket NoPacket();
 
   // Sets the encryption level that will be applied to new packets.
@@ skipping 136 matching lines @@
 
   // Map mapping path_id to last sent packet number on the path.
   std::unordered_map<QuicPathId, QuicPacketNumber> multipath_packet_number_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicPacketCreator);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CORE_QUIC_PACKET_CREATOR_H_