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

content/browser/download/download_net_log_parameters.h

Index: content/browser/download/download_net_log_parameters.h
diff --git a/content/browser/download/download_net_log_parameters.h b/content/browser/download/download_net_log_parameters.h
index 1d942333fe7c6e3e2de6aa81a8269dac02d31041..292bee70f157c225412d75c0cda66eb80507ce0a 100644
--- a/content/browser/download/download_net_log_parameters.h
+++ b/content/browser/download/download_net_log_parameters.h
@@ -80,11 +80,11 @@ base::Value* FileErrorCallback(const char* operation,
                                net::Error net_error,
                                net::NetLog::LogLevel log_level);
 
+// Returns NetLog parameters for a download interruption.
 base::Value* FileInterruptedCallback(const char* operation,
                                      int os_error,
                                      content::DownloadInterruptReason reason,
                                      net::NetLog::LogLevel log_level);
-
 }  // namespace download_net_logs
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_NET_LOG_PARAMETERS_H_