Adjust defaults for touchscreen scrolling parameters.

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 117 matching lines @@
     {
       key: 'rail_start_proportion',
       label: 'Rail-Start Proportion',
       units: '%',
       default: 2
     },
     {
       key: 'touchscreen_fling_acceleration_adjustment',
       label: 'Touchscreen Fling Acceleration Adjustment',
       units: 'pixels/sec.',
-      default: 1
+      default: 0.85
     }
   ];
 
   /**
    * Dynamically builds web-form based on FIELDS list.
    * @return {string} The form's HTML.
    */
   function buildForm() {
     var buf = [];
 
@@ skipping 92 matching lines @@
     $('reset-button').onclick = onReset.bind(this);
   }
 
   return {
     initialize: initialize,
     getPreferenceValueResult: getPreferenceValueResult
   };
 })();
 
 document.addEventListener('DOMContentLoaded', gesture_config.initialize);