Bug 671809 - Cmd+shift+F shortcut doesn't work while in Panorama r=tim

browser/base/content/tabview/ui.js

@@ -1049,6 +1049,9 @@ let UI = {
     [
 #ifdef XP_UNIX
       "redo",
+#endif
+#ifdef XP_MACOSX
+      "fullScreen",
 #endif
       "closeWindow", "tabview", "undoCloseTab", "undoCloseWindow",
       "privatebrowsing"