Clients/FirefoxExtension/extension/chrome.manifest

   1 content bonjour4firefox content/
   2 locale  bonjour4firefox en-US   locale/en-US/
   3 skin    bonjour4firefox classic/1.0     skin/
   4 skin    bonjour4firefox classic/1.0 skin-darwin/ os=darwin
   5 overlay chrome://browser/content/browser.xul    chrome://bonjour4firefox/content/browserOverlay.xul
   6 style   chrome://global/content/customizeToolbar.xul    chrome://bonjour4firefox/skin/overlay.css