Bug 22606: Can <th> serves as the AXTitleUIElement for <td>?

<th> will serve as a title UI element when it is present in a table
that has not been exposed as an AXTable



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@38927 268f45cc-cd09-0410-ab3c-d52691b4dbfc
19 files changed