Examine source code of Dbased - based Dlive

{
  "manifest_version": 2,
  "name": "Dbased - based Dlive",
  "version": "1.1.1",
  "description": "add some cool features to Dlive",
  "permissions": [
    "storage",
    "*://graphigo.prd.dlive.tv/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "web_accessible_resources": [
    "assets/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://dlive.tv/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "64": "assets/logo_small-e277afc9db01f0ccd31bef76efb48dee.png",
    "128": "assets/logo_small@128-bef5a83a07fea293e11a1b2ed596268f.png",
    "256": "assets/logo_small@256-e277afc9db01f0ccd31bef76efb48dee.png"
  },
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "browser_action": {
    "default_popup": "popup.html"
  }
}