It looks like W3C has removed the "text" attribute from DataCue: http://www.w3.org/html/wg/drafts/html/master/embedded-content.html#datacue Safari uses a different iterface, so this change will probably only effect WebKitGTK and other GStreamer-based ports.
Created attachment 243071 [details] Patch
Comment on attachment 243071 [details] Patch Attachment 243071 [details] did not pass mac-wk2-ews (mac-wk2): Output: http://webkit-queues.appspot.com/results/5621714461392896 New failing tests: fast/canvas/webgl/tex-image-and-sub-image-2d-with-canvas-rgba5551.html
Created attachment 243073 [details] Archive of layout-test-results from ews107 for mac-mountainlion-wk2 The attached test failures were seen while running run-webkit-tests on the mac-wk2-ews. Bot: ews107 Port: mac-mountainlion-wk2 Platform: Mac OS X 10.8.5
Comment on attachment 243071 [details] Patch I assume these test failures are meaningless, since they didn't pass before my patch, and they have absolutely nothing to do with text tracks.
Comment on attachment 243071 [details] Patch Clearing flags on attachment: 243071 Committed r177190: <http://trac.webkit.org/changeset/177190>
All reviewed patches have been landed. Closing bug.