Extracting NetLog inner classes into their own classes.

net/ftp/ftp_network_transaction.cc

 // 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.
 
 #include "net/ftp/ftp_network_transaction.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/compiler_specific.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "net/base/address_list.h"
 #include "net/base/escape.h"
 #include "net/base/net_errors.h"
 #include "net/base/port_util.h"
 #include "net/base/url_util.h"
 #include "net/ftp/ftp_request_info.h"
 #include "net/ftp/ftp_util.h"
 #include "net/log/net_log.h"
 #include "net/log/net_log_event_type.h"
+#include "net/log/net_log_source.h"
 #include "net/socket/client_socket_factory.h"
 #include "net/socket/stream_socket.h"
 #include "url/url_constants.h"
 
 namespace net {
 
 namespace {
 
 const char kCRLF[] = "\r\n";
 
@@ skipping 1336 matching lines @@
   if (!had_error_type[type]) {
     had_error_type[type] = true;
     UMA_HISTOGRAM_ENUMERATION("Net.FtpDataConnectionErrorHappened",
         type, NUM_OF_NET_ERROR_TYPES);
   }
   UMA_HISTOGRAM_ENUMERATION("Net.FtpDataConnectionErrorCount",
       type, NUM_OF_NET_ERROR_TYPES);
 }
 
 }  // namespace net