Handle the case where IAttachmentExecute::Save() deletes a downloaded file.

content/browser/download/download_net_log_parameters.h

 // 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.
 
 #ifndef CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_NET_LOG_PARAMETERS_H_
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_NET_LOG_PARAMETERS_H_
 
 #include <string>
 
 #include "content/public/browser/download_item.h"
@@ skipping 62 matching lines @@
 // Returns NetLog parameters when a DownloadFile is renamed.
 base::Value* FileRenamedNetLogCallback(const FilePath* old_filename,
                                        const FilePath* new_filename,
                                        net::NetLog::LogLevel log_level);
 
 // Returns NetLog parameters when a File has an error.
 base::Value* FileErrorNetLogCallback(const char* operation,
                                      net::Error net_error,
                                      net::NetLog::LogLevel log_level);
 
+// Returns NetLog parameters for a download interruption.
 base::Value* FileInterruptedNetLogCallback(const char* operation,
                                            int os_error,
                                            DownloadInterruptReason reason,
                                            net::NetLog::LogLevel log_level);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_NET_LOG_PARAMETERS_H_