Examine source code of InfiniteShoot

{
  "manifest_version": 2,
  "name": "InfiniteShot",
  "version": "7.0",
  "description": "Génère une photo random sur le site prnt.sc",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icons/icon48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.prnt.sc/*"
      ],
      "js": [
        "rdm.js"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{e409f832-aeb6-45f2-8da1-063ca173682c}"
    }
  }
}