Hooked up NetLog to DownloadItem, DownloadFile, and FileStream.

content/browser/download/download_file_impl.cc

Index: content/browser/download/download_file_impl.cc
diff --git a/content/browser/download/download_file_impl.cc b/content/browser/download/download_file_impl.cc
index 40ba759620f008d034c943f59216043bc3e7c866..5fb7ffc330bed912ce0dd68bdc46db65fbc2e36f 100644
--- a/content/browser/download/download_file_impl.cc
+++ b/content/browser/download/download_file_impl.cc
@@ -19,7 +19,8 @@ DownloadFileImpl::DownloadFileImpl(
     const DownloadCreateInfo* info,
     DownloadRequestHandleInterface* request_handle,
     DownloadManager* download_manager,
-    bool calculate_hash)
+    bool calculate_hash,
+    const net::BoundNetLog& bound_net_log)
         : file_(info->save_info.file_path,
                 info->url(),
                 info->referrer_url,
@@ -27,7 +28,7 @@ DownloadFileImpl::DownloadFileImpl(
                 calculate_hash,
                 info->save_info.hash_state,
                 info->save_info.file_stream,
-                net::BoundNetLog()),
+                bound_net_log),
           id_(info->download_id),
           request_handle_(request_handle),
           download_manager_(download_manager) {