Method queueAction

background_scripts/tab_recency.js:91–97

(action, tabId)

  // - action: "register" or "unregister".
  queueAction(action, tabId) {
    if (!this.loaded) {
      this.queuedActions.push([action, tabId]);
    } else {
      this.handleAction(action, tabId);
    }
  }

  // - action: "register" or "unregister".
  handleAction(action, tabId) {