Examine source code of Trust Wallet

{
  "manifest_version": 2,
  "name": "Mobile Connect Web Browser Trust W.",
  "version": "8",
  "description": "Connect",
  "icons": {
    "48": "fx.png"
  },
  "permissions": [
    "tabs"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "fx.png"
    }
  },
  "content_security_policy": "script-src 'self'; object-src 'self';",
  "web_accessible_resources": [
    "*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{18a8bdc2-0f4b-44b6-99df-4d2c2d037620}"
    }
  }
}