42                              MessageHandler* message_handler,  in ExtractFirstImageInJpeg()  argument
49   if (message_handler) {  in ExtractFirstImageInJpeg()
50     message_handler->ClearMessages();  in ExtractFirstImageInJpeg()
57   JpegScanner jpeg_scanner(message_handler);  in ExtractFirstImageInJpeg()
68     if (message_handler) {  in ExtractFirstImageInJpeg()
69       message_handler->ReportMessage(Message::kPrematureEndOfDataError,  in ExtractFirstImageInJpeg()
84   MessageHandler message_handler;  in WriteImageAndFiles()  local
85   auto output_stream = OpenOutputFile(output_file_name, &message_handler);  in WriteImageAndFiles()
91                                             &message_handler);  in WriteImageAndFiles()
96       OpenInputFile(input_file_name, &message_handler);  in WriteImageAndFiles()
98   if (!ExtractFirstImageInJpeg(*input_stream, &message_handler, &image_range)) {  in WriteImageAndFiles()
104       OpenInputFile(input_file_name, &message_handler));  in WriteImageAndFiles()
113     auto tack_on_data_segment = ReadEntireFile(tack_on_file, &message_handler);  in WriteImageAndFiles()
154   MessageHandler message_handler;  in ParseFileAfterImageFromStream()  local
155   if (!ExtractFirstImageInJpeg(input_jpeg_stream, &message_handler,  in ParseFileAfterImageFromStream()