This could be a problems with touch events being disabled at runtime.
The following two tests have started working with the upgrade of GTK+, Cairo, Gdk-Pixbuf and GLib done in r186500 <http://trac.webkit.org/r186500>. fast/events/touch/touch-inside-iframe-scrolled.html fast/events/touch/touch-inside-iframe.html And this new others have started to timeout: fast/events/touch/tap-highlight-color.html fast/events/touch/touch-scaled-scrolled.html fast/events/touch/touch-stale-node-crash.html I have updated the expectations file on http://trac.webkit.org/changeset/186513
There are no references to this bug in any TestExpectations. It's probable this bug was solved at some point but it wasn't marked as closed. I'm closing this bug now. If you think this bug report is still valid, please reopen it and add an entry to TestExpectations.