Function zoomOut

background_scripts/main.js:358–362

({ count, tabId })

    chrome.tabs.setZoom(tabId, newZoom);
  },
  async zoomOut({ count, tabId }) {
    const currentZoom = await chrome.tabs.getZoom(tabId);
    const newZoom = nextZoomLevel(currentZoom, -count);
    chrome.tabs.setZoom(tabId, newZoom);
  },
  async zoomReset({ tabId }) {
    chrome.tabs.setZoom(tabId, 0); // setZoom of 0 sets to the tab default.
  },