rem: showHistory: function PBS_showHistory() { loadURI("chrome: }, 
add: PlacesBrowserShim.showHistory = function PBS_showHistory() { loadURI("chrome: }; 
context:   showHistory: function PBS_showHistory() {    loadURI("chrome://browser/content/places/places.xul?history", null, null);  },
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/a10cb44a81bc637693eb36e33a66a650a86da643/browserShim.js/clean/browser/components/places/content-shim/browserShim.js