add:  this.updateClearNowButtonLabel(); 
context:   init: function ()  {    this.historyDaysPrefChanged();    var self = this;    function checkboxChanged() {      self.onchangeHistoryDaysCheckbox();    }    var historyDaysCheckbox = document.getElementById("rememberHistoryDays");    historyDaysCheckbox.addEventListener("CheckboxStateChange",                                         checkboxChanged,                                         false);  },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/1bd18f29e647bdcd3ab4a0f680062619efaf3227/privacy.js/buggy/browser/components/preferences/privacy.js