Hooked up NetLog to DownloadItem, DownloadFile, and FileStream.

content/browser/download/download_resource_handler.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 "content/browser/download/download_resource_handler.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 38 matching lines @@
       render_view_id_(render_view_id),
       content_length_(0),
       download_file_manager_(download_file_manager),
       request_(request),
       started_cb_(started_cb),
       save_info_(save_info),
       buffer_(new content::DownloadBuffer),
       rdh_(rdh),
       is_paused_(false),
       last_buffer_size_(0),
-      bytes_read_(0) {
+      bytes_read_(0),
+      bound_net_log_(net::BoundNetLog::Make(request->net_log().net_log(),
+                                            net::NetLog::SOURCE_DOWNLOAD)) {
   download_stats::RecordDownloadCount(download_stats::UNTHROTTLED_COUNT);
+
+  bound_net_log_.AddEvent(
+      net::NetLog::TYPE_DOWNLOAD_URL_REQUEST,
+      make_scoped_refptr(new net::NetLogSourceParameter(
+          "source_dependency",
+          request->net_log().source())));
+
+  request->net_log().AddEvent(
+      net::NetLog::TYPE_DOWNLOAD_STARTED,
+      make_scoped_refptr(new net::NetLogSourceParameter(
+          "source_dependency",
+          bound_net_log_.source())));
 }
 
 bool DownloadResourceHandler::OnUploadProgress(int request_id,
                                                uint64 position,
                                                uint64 size) {
   return true;
 }
 
 // Not needed, as this event handler ought to be the final resource.
 bool DownloadResourceHandler::OnRequestRedirected(
@@ skipping 20 matching lines @@
                                     &content_disposition);
   set_content_disposition(content_disposition);
   set_content_length(response->content_length);
 
   const ResourceDispatcherHostRequestInfo* request_info =
     ResourceDispatcherHost::InfoForRequest(request_);
 
   // Deleted in DownloadManager.
   scoped_ptr<DownloadCreateInfo> info(new DownloadCreateInfo(FilePath(), GURL(),
       base::Time::Now(), 0, content_length_, DownloadItem::IN_PROGRESS,
-      request_info->has_user_gesture(), request_info->transition_type()));
+      bound_net_log_, request_info->has_user_gesture(),
+      request_info->transition_type()));
   info->url_chain = request_->url_chain();
   info->referrer_url = GURL(request_->referrer());
   info->start_time = base::Time::Now();
   info->received_bytes = save_info_.offset;
   info->total_bytes = content_length_;
   info->state = DownloadItem::IN_PROGRESS;
   info->has_user_gesture = request_info->has_user_gesture();
   info->content_disposition = content_disposition_;
   info->mime_type = response->mime_type;
   info->remote_address = request_->GetSocketAddress().host();
@@ skipping 263 matching lines @@
                             " render_view_id_ = " "%d"
                             " save_info_.file_path = \"%" PRFilePath "\""
                             " }",
                             request_->url().spec().c_str(),
                             download_id_.local(),
                             global_id_.child_id,
                             global_id_.request_id,
                             render_view_id_,
                             save_info_.file_path.value().c_str());
 }