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from WebCore, then we would enter the ACTION_UP handler and cancel pending touch events in WebCore's message queue. This cancellation was orginally needed for Flash but the touch model for Flash has now changed and it's no longer necessary. In the case of the layout test controller the events do come very fast, and we were hitting this case so WebCore was losing the events that got cancelled meaning that the JS touch callbacks weren't getting invoked. This was exposed by fast/events/basic-single-touch-events.html. Change-Id: Icea09fb55a5b77f7ab9c19473cfa5ae272867a9a