code: function syncChromeWindowById(windowId, cb) {
    chrome.windows.get(windowId, { populate: true }, function (chromeWindow) {
      cb(function (state) {
        return state.syncChromeWindow(chromeWindow);
      });
    });
  }
docs: sync a single Chrome window by its Chrome window id
  
  @param {function} cb -- callback to update state