gesture recognizer: Some cleanup and workaround for a crash.

ui/base/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_BASE_GESTURES_GESTURE_SEQUENCE_H_
 #define UI_BASE_GESTURES_GESTURE_SEQUENCE_H_
 
 #include "base/timer.h"
 #include "ui/base/events.h"
 #include "ui/base/gestures/gesture_point.h"
@@ skipping 41 matching lines @@
 
   const gfx::Point& last_touch_location() const { return last_touch_location_; }
 
  protected:
   virtual base::OneShotTimer<GestureSequence>* CreateTimer();
   base::OneShotTimer<GestureSequence>* long_press_timer() {
     return long_press_timer_.get();
   }
 
  private:
-  void Reset();
-
   // Recreates the axis-aligned bounding box that contains all the touch-points
   // at their most recent position.
   void RecreateBoundingBox();
 
   void ResetVelocities();
 
   GesturePoint& GesturePointForEvent(const TouchEvent& event);
 
   // Do a linear scan through points_ to find the GesturePoint
   // with id |point_id|.
@@ skipping 63 matching lines @@
              Gestures* gestures);
   bool ScrollStart(const TouchEvent& event,
                    GesturePoint& point,
                    Gestures* gestures);
   void BreakRailScroll(const TouchEvent& event,
                        GesturePoint& point,
                        Gestures* gestures);
   bool ScrollUpdate(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 TwoFingerTouchDown(const TouchEvent& event,
                           const GesturePoint& point,
                           Gestures* gestures);
   bool TwoFingerTouchMove(const TouchEvent& event,
                           const GesturePoint& point,
                           Gestures* gestures);
   bool TwoFingerTouchReleased(const TouchEvent& event,
@@ skipping 52 matching lines @@
   gfx::Point last_touch_location_;
 
   GestureEventHelper* helper_;
 
   DISALLOW_COPY_AND_ASSIGN(GestureSequence);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_GESTURES_GESTURE_SEQUENCE_H_