Do not convert from string literal to wchar_t*
Do not convert from string literal to wchar_t*

R=brucedawson@chromium.org

Review URL: https://codereview.chromium.org/841203002

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