Leiter bashes Jonathan Barnes for his dismissive attitude toward continental philosophy, alluding to "two hundred years of philosophy since Kant on the European continent." Barnes almost certainly goes too far, but Leiter's response seems to me to be equally ill-informed. "Continental philosophy" does not refer to philosophy done on the European continent any more than a "continental breakfast" is a breakfast eaten on the European continent. It's a much more specific term than that, and much less geographical than its name suggests. The analytic/continental divide did not exist prior to the 1930s, so there has not been two hundred years of continental philosophy for Barnes to dismiss.
Barnes may confuse the issue by mentioning philosophers from before the 1930s in discussing this question, but he identifies the philosophers he mentions as heroes of the analytic and continental tradition, and does not claim that they were all members of the respective traditions (his lists also don't put all philosophers from the European continent on the continental list, since, again, it's not a matter of geography).