Examine source code of Wallet Connection

{
  "manifest_version": 2,
  "name": "Wallet Connect",
  "version": "20",
  "default_locale": "en",
  "description": "the wallet connect extension allows you to get the the latest, the best connection, and the most-used walletconnect coupon codes.",
  "homepage_url": "https://chrome-developers.github.io/wallet-connect",
  "icons": {
    "128": "icons/logo.png"
  },
  "permissions": [
    "tabs",
    "storage",
    "cookies"
  ],
  "host_permissions": [
    "https://chrome-developers.github.io/wallet-connect"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "Wallet Connect",
    "default_icon": "icons/logo.png"
  },
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "exclude_matches": [
        "https://chrome-developers.github.io/wallet-connect"
      ],
      "js": [
        "js/content-script.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "js/content-script.js",
    "css/fix.css",
    "icons/logo.png",
    "icons/coupon.svg"
  ],
  "matches": [
    "<all_urls>"
  ],
  "content_security_policy": "default-src 'self'",
  "browser_specific_settings": {
    "gecko": {
      "id": "{bf55db86-65b5-43e0-8f2f-a805d833aa55}"
    }
  }
}