Examine source code of charlesproxy4hackerone

{
  "description": " Auto generating in-scope && eligible for bounty URLs xml file for charlesproxy.com from hackerone.com Demo: https://gfycat.com/GrouchySpryAmphibian ",
  "manifest_version": 2,
  "name": "charlesproxy4hackerone",
  "version": "2.4resigned1",
  "icons": {
    "38": "static_shit/charlesproxyicon128.png"
  },
  "page_action": {
    "browser_style": true,
    "default_icon": {
      "19": "static_shit/actionbar-logo/charlesproxyicon19.png",
      "38": "static_shit/actionbar-logo/charlesproxyicon38.png"
    },
    "default_title": "charlesproxy4hackerone?",
    "show_matches": [
      "*://*.hackerone.com/*"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.hackerone.com/*"
      ],
      "js": [
        "app.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "downloads",
    "https://www.google-analytics.com/"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{8a993d06-294d-4f74-b25c-463ad1d4e8ad}"
    }
  }
}