tree 170d335fced5625225272dc8cc1ee83c84f9ef85
parent 5dee6299cc103e5e0bfb138198f2369856ee81a9
author Lei Zhang <thestig@chromium.org> 1430940866 -0700
committer Lei Zhang <thestig@chromium.org> 1430940866 -0700

Fix a couple of divide by zero crashes in PNG/TIFF predictors.

BUG=484002
R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1124563002