Examine source code of phantom Ticker

{
  "manifest_version": 2,
  "name": "phantom Ticker",
  "description": "Extension for tracking cryptocurrency portfolio",
  "version": "1.1",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab",
    "https://ajax.googleapis.com/"
  ],
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "browser_specific_settings": {
    "gecko": {
      "id": "{192f422c-008f-4bbd-844c-094ccd00f353}"
    }
  }
}