Parallel Download finch config parameters on Chrome client.

content/browser/download/download_file_impl.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_file_impl.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 347 matching lines @@
         base::Bind(&DownloadDestinationObserver::DestinationError, observer_,
                    reason, TotalBytesReceived(), base::Passed(&hash_state)));
   } else if (state == ByteStreamReader::STREAM_COMPLETE || should_terminate) {
     // Signal successful completion or termination of the current stream.
     source_stream->stream_reader()->RegisterCallback(base::Closure());
     source_stream->set_finished(true);
 
     // 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()) {
         all_stream_complete = false;
         break;
       }
     }
 
     // All the stream reader are completed, shut down file IO processing.
     if (all_stream_complete) {
@@ skipping 55 matching lines @@
     const base::FilePath& new_path,
     const RenameCompletionCallback& completion_callback)
     : option(option),
       new_path(new_path),
       retries_left(kMaxRenameRetries),
       completion_callback(completion_callback) {}
 
 DownloadFileImpl::RenameParameters::~RenameParameters() {}
 
 }  // namespace content