rem: if (prefBranch.getBoolPref("privacy.sanitize.promptOnSanitize")) 
add:  if (pref.value) 
context:   updateClearNowButtonLabel: function ()  {    var prefBranch = Components.classes["@mozilla.org/preferences-service;1"]                               .getService(Components.interfaces.nsIPrefBranch);    var clearNowButton = document.getElementById("clearDataNow");    if (prefBranch.getBoolPref("privacy.sanitize.promptOnSanitize"))      clearNowButton.label = clearNowButton.getAttribute("label1"); // "Clear Now..."    else      clearNowButton.label = clearNowButton.getAttribute("label2"); // "Clear Now"  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/22d7f4fe38d6cc8464d432caa9025fc3809913fa/privacy.js/buggy/browser/components/preferences/privacy.js