Rebaseline Retina results after Chromium r300891

https://codereview.chromium.org/673443002 changed checkbox and radio
buttons by one pixel on Retina OSX. Rebaselining.

TBR=rsesek@chromium.org

Review URL: https://codereview.chromium.org/676773003

git-svn-id: svn://svn.chromium.org/blink/trunk@184294 bbb929c8-8fbe-4397-9dbb-9b2b20218538