bug 396529: stop automatically focusing list of types when opening Applications prefpane so we don't hork keyboard navigation in Preferences dialog; r=gavin, a=mconnor

browser/components/preferences/applications.js

@@ -769,7 +769,6 @@ var gApplicationsPane = {
     var _delayedPaneLoad = function(self) {
       self._loadData();
       self.rebuildView();
-      self._list.focus();
     }
     setTimeout(_delayedPaneLoad, 0, this);
   },