Extracting NetLog inner classes into their own classes.

content/browser/download/download_file_impl.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.
 
 #ifndef CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_FILE_IMPL_H_
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_FILE_IMPL_H_
 
 #include "content/browser/download/download_file.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
+#include <string>
 
 #include "base/files/file.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "content/browser/byte_stream.h"
 #include "content/browser/download/base_file.h"
 #include "content/browser/download/rate_estimator.h"
 #include "content/public/browser/download_save_info.h"
-#include "net/log/net_log.h"
+#include "net/log/net_log_with_source.h"
 
 namespace content {
 class ByteStreamReader;
 class DownloadDestinationObserver;
 class DownloadManager;
 struct DownloadCreateInfo;
 
 class CONTENT_EXPORT DownloadFileImpl : public DownloadFile {
  public:
   // Takes ownership of the object pointed to by |request_handle|.
@@ skipping 108 matching lines @@
   base::WeakPtr<DownloadDestinationObserver> observer_;
 
   base::WeakPtrFactory<DownloadFileImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadFileImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_FILE_IMPL_H_