Unreviewed Chromium expectations update.

        Make expectation for http/tests/media/reload-after-dialog.html not
        trigger a duplication error for the debug Linux builder.

        Remove expectation for platform/gtk/fast/text/emphasis-overlap.html, it
        was removed in r74346.

        * platform/chromium/test_expectations.txt:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@74768 268f45cc-cd09-0410-ab3c-d52691b4dbfc