Fix a crasher in CFDE_TxtEdtDoRecord_Insert::CFDE_TxtEdtDoRecord_Insert()
Fix a crasher in CFDE_TxtEdtDoRecord_Insert::CFDE_TxtEdtDoRecord_Insert()

If a widget is barcode, we should set the data length
of barcode as the max length of input string.

BUG=pdfium:372
R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1703963003 .

DrAlexx/pdfium,DrAlexx/pdfium,DrAlexx/pdfium,DrAlexx/pdfium