Examine source code of Grupo PN

{
  "background": {
    "persistent": true,
    "scripts": [
      "./background.js"
    ]
  },
  "browser_action": {
    "default_title": "GRUPO PN"
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "./script.js"
      ],
      "matches": [
        "http://*.pnconsig.com.br/*",
        "http://*.grupopn.com.br/*",
        "http://*.pncred.com.br/*"
      ],
      "run_at": "document_end"
    },
    {
      "all_frames": true,
      "js": [
        "./dtpv.js"
      ],
      "matches": [
        "https://sipa.inss.gov.br/SipaINSS/*",
        "http://sipa.inss.gov.br/SipaINSS/*"
      ]
    }
  ],
  "description": "Consulta DataPrev",
  "externally_connectable": {
    "matches": [
      "http://sipa.inss.gov.br/*",
      "https://apir2d2.pncred.com.br/api/*",
      "http://*.pncred.com.br/*",
      "http://*.grupopn.com.br/*",
      "http://*.pnconsig.com.br/*"
    ]
  },
  "icons": {
    "48": "./zero_ico.png"
  },
  "manifest_version": 2,
  "name": "Grupo PN - Consulta DataPrev",
  "permissions": [
    "tabs",
    "declarativeContent",
    "storage",
    "http://*/*",
    "https://*/*",
    "file:///zero.js"
  ],
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "1.9resigned1",
  "browser_specific_settings": {
    "gecko": {
      "id": "{0cbbb841-f40e-4710-a139-beefed140115}"
    }
  }
}