gesture recognizer: Remove the touch-event queue.

ui/base/events/event_constants.cc

Index: ui/base/events/event_constants.cc
diff --git a/ui/base/events/event_constants.cc b/ui/base/events/event_constants.cc
index fd95b35906ee703dd6bcdb597a8831da58412ae2..e4c0b26a09e2d51438172a21e1b3c76593862a2d 100644
--- a/ui/base/events/event_constants.cc
+++ b/ui/base/events/event_constants.cc
@@ -16,11 +16,9 @@ EventResult EventResultFromTouchStatus(TouchStatus status) {
     case TOUCH_STATUS_START:
     case TOUCH_STATUS_CONTINUE:
     case TOUCH_STATUS_END:
-      return ER_CONSUMED;
-
     case TOUCH_STATUS_QUEUED:
     case TOUCH_STATUS_QUEUED_END:
-      return ER_ASYNC;
+      return ER_CONSUMED;
   }
 
   NOTREACHED();