Ojan Vafai 6e6e45e76b Add image_diff from the chromium repo. ...

This is needed for reference tests so we can diff images.
This is just a straight copy of the image diff in the
chromium repo.

R=eseidel@google.com, esprehn@chromium.org

Review URL: https://codereview.chromium.org/801443002

2014-12-11 15:21:29 -08:00

..

src/flutter

Add image_diff from the chromium repo.

2014-12-11 15:21:29 -08:00