Eager Gesture Recognition on Aura

ui/events/gestures/gesture_recognizer.h

Index: ui/events/gestures/gesture_recognizer.h
diff --git a/ui/events/gestures/gesture_recognizer.h b/ui/events/gestures/gesture_recognizer.h
index 4b31e57bd71fbc79bf71271934e85ed52aad5947..5a62ad554b2dc55f0df573dde434860b7eb868c4 100644
--- a/ui/events/gestures/gesture_recognizer.h
+++ b/ui/events/gestures/gesture_recognizer.h
@@ -35,6 +35,12 @@ class EVENTS_EXPORT GestureRecognizer {
                                                 ui::EventResult result,
                                                 GestureConsumer* consumer) = 0;
 
+  // Sends an ack to the gesture detector, and returns any gestures triggered by
+  // the ack.
+  virtual ScopedVector<GestureEvent>* AckTouchEventForGesture(
+      ui::EventResult result,
+      GestureConsumer* target) = 0;
+
   // This is called when the consumer is destroyed. So this should cleanup any
   // internal state maintained for |consumer|. Returns true iff there was
   // state relating to |consumer| to clean up.