tree d792e53ea13f87d1fa2995127c864621b7701146
parent 45f2a47df2d6505c351ee0586969bf142c93bf6b
author Lei Zhang <thestig@chromium.org> 1452889227 -0800
committer Lei Zhang <thestig@chromium.org> 1452889227 -0800

XFA: Upgrade libpng to 1.6.20.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1591483003 .