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 5167772b839a31b2ca948d57e7c3c5dbe3156d87..2d66d52ee6eee2e22f82acb8eb3328570b81f47a 100644
--- a/content/browser/download/download_net_log_parameters.h
+++ b/content/browser/download/download_net_log_parameters.h
@@ -80,6 +80,11 @@ base::Value* FileErrorCallback(const char* operation,
                                net::Error net_error,
                                net::NetLog::LogLevel log_level);
 
+// Returns NetLog parameters for a completed AnnotateWithSourceInformation
+// operation.
+base::Value* AnnotateWithSourceCallback(int os_error,
+                                        net::Error net_error,
+                                        net::NetLog::LogLevel log_level);
 }  // namespace download_net_logs
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_NET_LOG_PARAMETERS_H_