Generalize the net module's LoadLog facility from a passive container, to an event stream (NetLog).

net/socket/tcp_client_socket_libevent.h

 // Copyright (c) 2006-2009 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_SOCKET_TCP_CLIENT_SOCKET_LIBEVENT_H_
 #define NET_SOCKET_TCP_CLIENT_SOCKET_LIBEVENT_H_
 
 #include "base/message_loop.h"
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "net/base/address_list.h"
 #include "net/base/completion_callback.h"
+#include "net/base/net_log.h"
 #include "net/socket/client_socket.h"
 
 struct event;  // From libevent
 
 namespace net {
 
-class LoadLog;
+class BoundNetLog;
 
 // A client socket that uses TCP as the transport layer.
 class TCPClientSocketLibevent : public ClientSocket {
  public:
   // The IP address(es) and port number to connect to.  The TCP socket will try
   // each IP address in the list until it succeeds in establishing a
   // connection.
   explicit TCPClientSocketLibevent(const AddressList& addresses);
 
   virtual ~TCPClientSocketLibevent();
 
   // ClientSocket methods:
-  virtual int Connect(CompletionCallback* callback, LoadLog* load_log);
+  virtual int Connect(CompletionCallback* callback, const BoundNetLog& net_log);
   virtual void Disconnect();
   virtual bool IsConnected() const;
   virtual bool IsConnectedAndIdle() const;
   virtual int GetPeerAddress(AddressList* address) const;
 
   // Socket methods:
   // Multiple outstanding requests are not supported.
   // Full duplex mode (reading and writing at the same time) is supported
   virtual int Read(IOBuffer* buf, int buf_len, CompletionCallback* callback);
   virtual int Write(IOBuffer* buf, int buf_len, CompletionCallback* callback);
@@ skipping 79 matching lines @@
   // The buffer used by OnSocketReady to retry Write requests
   scoped_refptr<IOBuffer> write_buf_;
   int write_buf_len_;
 
   // External callback; called when read is complete.
   CompletionCallback* read_callback_;
 
   // External callback; called when write is complete.
   CompletionCallback* write_callback_;
 
-  scoped_refptr<LoadLog> load_log_;
+  BoundNetLog net_log_;
 
   DISALLOW_COPY_AND_ASSIGN(TCPClientSocketLibevent);
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_TCP_CLIENT_SOCKET_LIBEVENT_H_