Hooked up NetLog to DownloadItem, DownloadFile, and FileStream.

content/browser/download/download_resource_handler.cc

Index: content/browser/download/download_resource_handler.cc
diff --git a/content/browser/download/download_resource_handler.cc b/content/browser/download/download_resource_handler.cc
index 8915f2a2ecfc067b4bdd4a136c873bd0e883911e..97880c0ee4785d18df07efce6239021a2917722c 100644
--- a/content/browser/download/download_resource_handler.cc
+++ b/content/browser/download/download_resource_handler.cc
@@ -98,7 +98,8 @@ bool DownloadResourceHandler::OnResponseStarted(
   // 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()));
+      request_->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();