Examine source code of Brighteon Tab Renamer

{
  "manifest_version": 2,
  "name": "Brighteon Tab Renamer",
  "version": "1.2",
  "description": "Sets video & channel page titles on Brighteon.com",
  "icons": {
    "48": "icon.png"
  },
  "permissions": [
    "tabs",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{95345342-24d1-4f14-b7b7-685ca25d4f3f}"
    }
  }
}