Add logging to the QUIC write path.

net/quic/quic_connection_logger.h

 // Copyright (c) 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_CONNECTION_LOGGER_H_
 #define NET_QUIC_QUIC_CONNECTION_LOGGER_H_
 
 #include "net/quic/quic_connection.h"
 
 namespace net {
 
 class BoundNetLog;
 
 // This class is a debug visitor of a QuicConnection which logs
 // events to |net_log|.
 class NET_EXPORT_PRIVATE QuicConnectionLogger
     : public QuicConnectionDebugVisitorInterface {
  public:
   explicit QuicConnectionLogger(const BoundNetLog& net_log);
 
   virtual ~QuicConnectionLogger();
 
+  // QuicPacketGenerator::DebugDelegateInterface
+  virtual void OnFrameAddedToPacket(const QuicFrame& frame) OVERRIDE;
+
   // QuicConnectionDebugVisitorInterface
+  virtual void OnPacketSent(QuicPacketSequenceNumber sequence_number,
+                            EncryptionLevel level,
+                            const QuicEncryptedPacket& packet,
+                            int rv) OVERRIDE;
+
   virtual void OnPacketReceived(const IPEndPoint& self_address,
                                 const IPEndPoint& peer_address,
                                 const QuicEncryptedPacket& packet) OVERRIDE;
   virtual void OnProtocolVersionMismatch(QuicTag version) OVERRIDE;
   virtual void OnPacketHeader(const QuicPacketHeader& header) OVERRIDE;
   virtual void OnStreamFrame(const QuicStreamFrame& frame) OVERRIDE;
   virtual void OnAckFrame(const QuicAckFrame& frame) OVERRIDE;
   virtual void OnCongestionFeedbackFrame(
       const QuicCongestionFeedbackFrame& frame) OVERRIDE;
   virtual void OnRstStreamFrame(const QuicRstStreamFrame& frame) OVERRIDE;
   virtual void OnConnectionCloseFrame(
       const QuicConnectionCloseFrame& frame) OVERRIDE;
   virtual void OnPublicResetPacket(
       const QuicPublicResetPacket& packet) OVERRIDE;
   virtual void OnVersionNegotiationPacket(
       const QuicVersionNegotiationPacket& packet) OVERRIDE;
   virtual void OnRevivedPacket(const QuicPacketHeader& revived_header,
                                base::StringPiece payload) OVERRIDE;
 
  private:
   BoundNetLog net_log_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicConnectionLogger);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_CONNECTION_LOGGER_H_