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

net/ftp/ftp_network_transaction.h

 // Copyright (c) 2008 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_FTP_FTP_NETWORK_TRANSACTION_H_
 #define NET_FTP_FTP_NETWORK_TRANSACTION_H_
 
 #include <string>
 #include <queue>
 #include <utility>
 #include <vector>
 
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "net/base/address_list.h"
 #include "net/base/host_resolver.h"
+#include "net/base/net_log.h"
 #include "net/ftp/ftp_ctrl_response_buffer.h"
 #include "net/ftp/ftp_response_info.h"
 #include "net/ftp/ftp_transaction.h"
 
 namespace net {
 
 class ClientSocket;
 class ClientSocketFactory;
 class FtpNetworkSession;
 
 class FtpNetworkTransaction : public FtpTransaction {
  public:
   FtpNetworkTransaction(FtpNetworkSession* session,
                         ClientSocketFactory* socket_factory);
   virtual ~FtpNetworkTransaction();
 
   // FtpTransaction methods:
   virtual int Start(const FtpRequestInfo* request_info,
                     CompletionCallback* callback,
-                    LoadLog* load_log);
+                    const BoundNetLog& net_log);
   virtual int Stop(int error);
   virtual int RestartWithAuth(const std::wstring& username,
                               const std::wstring& password,
                               CompletionCallback* callback);
   virtual int RestartIgnoringLastError(CompletionCallback* callback);
   virtual int Read(IOBuffer* buf, int buf_len, CompletionCallback* callback);
   virtual const FtpResponseInfo* GetResponseInfo() const;
   virtual LoadState GetLoadState() const;
   virtual uint64 GetUploadProgress() const;
 
@@ skipping 121 matching lines @@
 
   void RecordDataConnectionError(int result);
 
   Command command_sent_;
 
   CompletionCallbackImpl<FtpNetworkTransaction> io_callback_;
   CompletionCallback* user_callback_;
 
   scoped_refptr<FtpNetworkSession> session_;
 
-  scoped_refptr<LoadLog> load_log_;
+  BoundNetLog net_log_;
   const FtpRequestInfo* request_;
   FtpResponseInfo response_;
 
   // Cancels the outstanding request on destruction.
   SingleRequestHostResolver resolver_;
   AddressList addresses_;
 
   // User buffer passed to the Read method for control socket.
   scoped_refptr<IOBuffer> read_ctrl_buf_;
 
@@ skipping 63 matching lines @@
     STATE_DATA_READ,
     STATE_DATA_READ_COMPLETE,
     STATE_NONE
   };
   State next_state_;
 };
 
 }  // namespace net
 
 #endif  // NET_FTP_FTP_NETWORK_TRANSACTION_H_