Unreviewed gardening. New image baselines for test
fast/regions/full-screen-video-from-region.html

* platform/chromium-mac-snowleopard/fast/regions/full-screen-video-from-region-expected.png: Added.
* platform/chromium-mac/fast/regions/full-screen-video-from-region-expected.png:
* platform/chromium-win-xp/fast/regions/full-screen-video-from-region-expected.png: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@138799 268f45cc-cd09-0410-ab3c-d52691b4dbfc