Re-enable Eager Gesture Recognition on Aura

ui/events/gestures/gesture_recognizer_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_EVENTS_GESTURES_GESTURE_RECOGNIZER_IMPL_H_
 #define UI_EVENTS_GESTURES_GESTURE_RECOGNIZER_IMPL_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 46 matching lines @@
   void DispatchGestureEvent(GestureEvent* event);
 
   // Overridden from GestureRecognizer
   bool ProcessTouchEventPreDispatch(const TouchEvent& event,
                                     GestureConsumer* consumer) override;
 
   Gestures* ProcessTouchEventPostDispatch(const TouchEvent& event,
                                           ui::EventResult result,
                                           GestureConsumer* consumer) override;
 
-  Gestures* ProcessTouchEventOnAsyncAck(const TouchEvent& event,
-                                        ui::EventResult result,
-                                        GestureConsumer* consumer) override;
+  void IgnoreLastTouchEvent(GestureConsumer* consumer) override;
 
   bool CleanupStateForConsumer(GestureConsumer* consumer) override;
   void AddGestureEventHelper(GestureEventHelper* helper) override;
   void RemoveGestureEventHelper(GestureEventHelper* helper) override;
 
   // Overridden from GestureProviderAuraClient
   void OnGestureEvent(GestureEvent* event) override;
 
   // Convenience method to find the GestureEventHelper that can dispatch events
   // to a specific |consumer|.
@@ skipping 12 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(GestureRecognizerImpl);
 };
 
 // Provided only for testing:
 EVENTS_EXPORT void SetGestureRecognizerForTesting(
     GestureRecognizer* gesture_recognizer);
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_GESTURES_GESTURE_RECOGNIZER_IMPL_H_