-keyDown is invoked from bottom of the responder chain to the top, so when WebKit2 receives a call to -keyDown and the web process does not handle it, it should call super so that the event continues to travel up.
Created attachment 72730 [details]
It should be able to add a test to TestWebKitAPI for this. I'd be happy to help you do so, Jing.
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Comment on attachment 72730 [details]
Clearing flags on attachment: 72730
Committed r71203: <http://trac.webkit.org/changeset/71203>
All reviewed patches have been landed. Closing bug.