Not sure which case you mean. If the migration code moves Home (which it always does currently), "bookmark-item chromeclass-toolbar-additional" is correct, otherwise it isn't -- as of bug 414945, we don't set the class on startup.
Not sure which case you mean. If the migration code moves Home (which it always does currently), "bookmark-item chromeclass- toolbar- additional" is correct, otherwise it isn't -- as of bug 414945, we don't set the class on startup.