Bound the maximum touchscreen fling velocity.

ui/base/gestures/gesture_configuration.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_CONFIGURATION_H_
 #define UI_BASE_GESTURES_GESTURE_CONFIGURATION_H_
 
 #include "base/basictypes.h"
 #include "ui/base/ui_export.h"
 
@@ skipping 131 matching lines @@
   }
   static void set_rail_start_proportion(double val) {
     rail_start_proportion_ = val;
   }
   static void set_fling_acceleration_curve_coefficients(int i, float val) {
     fling_acceleration_curve_coefficients_[i] = val;
   }
   static float fling_acceleration_curve_coefficients(int i) {
     return fling_acceleration_curve_coefficients_[i];
   }
+  static float fling_velocity_cap() {
+    return fling_velocity_cap_;
+  }
+  static void set_fling_velocity_cap(float val) {
+    fling_velocity_cap_ = val;
+  }
 
  private:
   // These are listed in alphabetical order ignoring underscores, to
   // align with the associated list of preferences in
   // gesture_prefs_aura.cc. These two lists should be kept in sync.
 
   // The default touch radius length used when the only information given
   // by the device is the touch center.
   static int default_radius_;
 
@@ skipping 18 matching lines @@
   static double min_flick_speed_squared_;
   static double min_pinch_update_distance_in_pixels_;
   static double min_rail_break_velocity_;
   static double min_scroll_delta_squared_;
   static double min_swipe_speed_;
   static double min_touch_down_duration_in_seconds_for_click_;
   static int points_buffered_for_velocity_;
   static double rail_break_proportion_;
   static double rail_start_proportion_;
   static float fling_acceleration_curve_coefficients_[NumAccelParams];
+  static float fling_velocity_cap_;
 
   DISALLOW_COPY_AND_ASSIGN(GestureConfiguration);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_GESTURES_GESTURE_CONFIGURATION_H_