Event smoothing in CrOS gesture recognizer.

ui/aura/gestures/gesture_sequence.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_AURA_GESTURES_GESTURE_SEQUENCE_H_
 #define UI_AURA_GESTURES_GESTURE_SEQUENCE_H_
 #pragma once
 
 #include "ui/aura/gestures/gesture_point.h"
 #include "ui/aura/gestures/gesture_recognizer.h"
@@ skipping 104 matching lines @@
   bool InScroll(const TouchEvent& event,
                 const GesturePoint& point,
                 Gestures* gestures);
   bool NoGesture(const TouchEvent& event,
                  const GesturePoint& point,
                  Gestures* gestures);
   bool TouchDown(const TouchEvent& event,
                  const GesturePoint& point,
                  Gestures* gestures);
   bool ScrollEnd(const TouchEvent& event,
-                 const GesturePoint& point,
+                 GesturePoint& point,
                  Gestures* gestures);
 
   // Current state of gesture recognizer.
   GestureState state_;
 
   // Location of click gesture.
   gfx::Point last_click_position_;
 
   // ui::EventFlags.
   int flags_;
 
   // Maximum points in a single gesture.
   static const int kMaxGesturePoints = 12;
 
   GesturePoint points_[kMaxGesturePoints];
   int point_count_;
 
   DISALLOW_COPY_AND_ASSIGN(GestureSequence);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_GESTURES_GESTURE_SEQUENCE_H_