chromium/chrome/test/data/extensions/api_test/lazy_background_page/browser_action_picture_in_picture/manifest.json

{
  "name": "A browser action that toggles Picture-in-Picture",
  "version": "1.0",
  "manifest_version": 2,
  "background": {
    "scripts": ["background.js"],
    "persistent": false
  },
  "browser_action": {
      "default_title": "Toggle Picture-in-Picture"
  }
}