Reviewed by David Levin.

        Rebaseline media/video-zoom-controls for chromium.
        https://bugs.webkit.org/show_bug.cgi?id=52415

        * platform/chromium-linux/media/video-zoom-controls-expected.checksum: Added.
        * platform/chromium-linux/media/video-zoom-controls-expected.png: Added.
        * platform/chromium-mac/media/video-zoom-controls-expected.checksum: Added.
        * platform/chromium-mac/media/video-zoom-controls-expected.png: Added.
        * platform/chromium-mac/media/video-zoom-controls-expected.txt: Added.
        * platform/chromium-win/media/video-zoom-controls-expected.checksum: Added.
        * platform/chromium-win/media/video-zoom-controls-expected.png: Added.
        * platform/chromium-win/media/video-zoom-controls-expected.txt: Added.
        * platform/chromium/test_expectations.txt:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@75996 268f45cc-cd09-0410-ab3c-d52691b4dbfc