- added support for dumping title changes

        * DumpRenderTree/DumpRenderTree.m:
        (-[WaitUntilDoneDelegate webView:didReceiveTitle:forFrame:]): Added. Dump title change
        if requested by JavaScript.
        (+[LayoutTestController isSelectorExcludedFromWebScript:]): Added dumpTitleChanges.
        (-[LayoutTestController dumpTitleChanges]): Added, sets flag.
        (dumpRenderTree): Start flag as NO.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@9465 268f45cc-cd09-0410-ab3c-d52691b4dbfc