GitLab

        Reviewed by Darin Adler.

        teach run-webkit-tests to read checksums from png files
        https://bugs.webkit.org/show_bug.cgi?id=57993

        * Scripts/old-run-webkit-tests: Read the first 2k of a .png if there's
          no .checksum and look for the checksum in there.

git-svn-id: svn://svn.chromium.org/blink/trunk@83120 bbb929c8-8fbe-4397-9dbb-9b2b20218538