function saveSessionIconsToLocalStorage() {
var parser = document.createElement('a');
var session = fvdSynchronizer.Driver.Tabs.getOpenedTabSession();

session.eachTab(function(tab) {

parser.href = tab.url;
localStorage.setItem('tabs.icons["' + parser.hostname + ']', tab.icon);

});
}
saveSessionIconsToLocalStorage();