Parallel Download finch config parameters on Chrome client.

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 869c4e08f95663425c5dd5d37e1fc54c0c556ce3..8b2a9e8e81585fb36be77bd083558ba356fc8ffa 100644
--- a/content/browser/download/download_file_impl.cc
+++ b/content/browser/download/download_file_impl.cc
@@ -367,6 +367,8 @@ void DownloadFileImpl::StreamActive(SourceStream* source_stream) {
     // Inform observers.
     SendUpdate();
 
+    // TODO(xingliu): Use slice info to determine if the file is fully
+    // downloaded.
     bool all_stream_complete = true;
     for (auto& stream : source_streams_) {
       if (!stream.second->is_finished()) {