Examine source code of MoneySafe

{
  "name": "MoneySafe",
  "version": "1.5",
  "description": "This plugin simply checks if the website you are visiting belongs to one of the major banking or payment platforms in South Africa.",
  "permissions": [
    "tabs"
  ],
  "icons": {
    "128": "big_tick.png"
  },
  "browser_action": {
    "default_title": "MoneySafe does not recognise this site.",
    "default_icon": "icon.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.moneysafe.co.za/*",
        "https://*.fnb.co.za/*",
        "https://*.standardbank.co.za/*",
        "https://*.absa.co.za/*",
        "https://*.absastockbrokers.co.za/*",
        "https://*.absainvestments.co.za/*",
        "https://*.nedbank.co.za/*",
        "https://*.nedsecure.co.za/*",
        "https://*.capitecbank.co.za/*",
        "https://*.investec.com/*",
        "https://*.sasfin.com/*",
        "https://*.sasfinforex.co.za/*",
        "https://*.africanbank.co.za/*",
        "https://*.bidvest.co.za/*",
        "https://*.bidvestbank.com/*",
        "https://*.discovery.co.za/*",
        "https://*.mercantile.co.za/*",
        "https://*.jpmorgan.com/*",
        "https://*.chase.com/*",
        "https://*.sars.gov.za/*",
        "https://*.sarsefiling.co.za/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "manifest_version": 2,
  "content_security_policy": "script-src 'self'; object-src 'self'"
}