Hooked up NetLog to DownloadItem, DownloadFile, and FileStream.

content/browser/download/download_resource_handler.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_RESOURCE_HANDLER_H_
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_RESOURCE_HANDLER_H_
 #pragma once
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/timer.h"
 #include "content/browser/download/download_types.h"
 #include "content/browser/renderer_host/resource_handler.h"
 #include "content/public/browser/download_id.h"
 #include "content/public/browser/global_request_id.h"
 #include "net/base/net_errors.h"
+#include "net/base/net_log.h"
 
 class DownloadFileManager;
 class DownloadRequestHandle;
 class ResourceDispatcherHost;
 struct DownloadCreateInfo;
 
 namespace content {
 class DownloadBuffer;
 }
 
 namespace net {
 class URLRequest;
 }  // namespace net
 
 // Forwards data to the download thread.
 class DownloadResourceHandler : public ResourceHandler {
  public:
   typedef base::Callback<void(content::DownloadId, net::Error)>
       OnStartedCallback;
 
   static const size_t kLoadsToWrite = 100;  // number of data buffers queued
 
   // started_cb will be called exactly once on the UI thread.
   DownloadResourceHandler(ResourceDispatcherHost* rdh,
                           int render_process_host_id,
                           int render_view_id,
                           int request_id,
                           const GURL& url,
+                          const net::BoundNetLog& bound_net_log,
                           DownloadFileManager* download_file_manager,
                           net::URLRequest* request,
                           const OnStartedCallback& started_cb,
                           const DownloadSaveInfo& save_info);
 
   virtual bool OnUploadProgress(int request_id,
                                 uint64 position,
                                 uint64 size) OVERRIDE;
 
   // Not needed, as this event handler ought to be the final resource.
@@ skipping 63 matching lines @@
   bool is_paused_;
   base::OneShotTimer<DownloadResourceHandler> pause_timer_;
 
   // The following are used to collect stats.
   base::TimeTicks download_start_time_;
   base::TimeTicks last_read_time_;
   size_t last_buffer_size_;
   int64 bytes_read_;
   std::string accept_ranges_;
 
+  net::BoundNetLog bound_net_log_;
+
   static const int kReadBufSize = 32768;  // bytes
   static const int kThrottleTimeMs = 200;  // milliseconds
 
   DISALLOW_COPY_AND_ASSIGN(DownloadResourceHandler);
 };
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_RESOURCE_HANDLER_H_