Examine source code of Coinbase

{
  "manifest_version": 2,
  "name": "Coinbase Wallet",
  "version": "19.1",
  "description": "Coinbase wallet Extension : disponible de nombreuses plateformes, applis, web, via une extension.",
  "browser_action": {
    "default_icon": "icon.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c3275499-d621-4551-ac27-03ba97a44232}"
    }
  }
}