Reviewed by Anders Carlsson.

        Fix a few things in the WebKit2 skipped list
        https://bugs.webkit.org/show_bug.cgi?id=52484

        * platform/mac-wk2/Skipped: Add/remove some tests to the WK2 skipped list.
        * editing/style/stylewithcss-without-selection.html: Fix this test to avoid
        referencing an undefined variable in the failure case.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@75841 268f45cc-cd09-0410-ab3c-d52691b4dbfc