Bound the maximum touchscreen fling velocity.

chrome/browser/resources/gesture_config.js

 // 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.
 
 // Redefine '$' here rather than including 'cr.js', since this is
 // the only function needed.  This allows this file to be loaded
 // in a browser directly for layout and some testing purposes.
 var $ = function(id) { return document.getElementById(id); };
 
 /**
@@ skipping 226 matching lines @@
     },
     {
       key: 'fling_acceleration_curve_coefficient_2',
       label: '+',
       units: 'x<sup>1</sup>'
     },
     {
       key: 'fling_acceleration_curve_coefficient_3',
       label: '+',
       units: 'x<sup>0</sup>'
+    },
+    {
+      key: 'fling_velocity_cap',
+      label: 'Touchscreen Fling Velocity Cap',
+      units: 'pixels / second'
     }
   ];
 
   return new GeneralConfig(GESTURE_PREFIX, GESTURE_FIELDS);
 }
 
 /**
  * Returns a GeneralConfig for configuring overscroll.* preferences.
  * @return {object} A GeneralConfig object.
  */
@@ skipping 63 matching lines @@
     $(prefName).value = value;
   }
 
   return {
     initialize: initialize,
     getPreferenceValueResult: getPreferenceValueResult
   };
 })();
 
 document.addEventListener('DOMContentLoaded', gesture_config.initialize);