Examine source code of Antiscammer

{
  "name": "Antiscammer",
  "version": "0.4",
  "manifest_version": 2,
  "description": "Stops some of the common tricks scammers use to trick people into giving them money.",
  "content_scripts": [
    {
      "matches": [
        "*://*.chase.com/content/dam/chaseonline/en/demos/*"
      ],
      "js": [
        "scampage.js"
      ]
    },
    {
      "matches": [
        "https://*.ally.com/*",
        "https://*.americanexpress.com/*",
        "https://*.bankofamerica.com/*",
        "https://*.bbt.com/*",
        "https://*.bmoharris.com/*",
        "https://*.capitalone.com/*",
        "https://*.schwab.com/*",
        "https://*.chase.com/*",
        "https://*.online.citibank.com/*",
        "https://*.cbsbank.com/*",
        "https://*.53.com/*",
        "https://*.us.hsbc.com/*",
        "https://*.key.com/*",
        "https://*.mtb.com/*",
        "https://*.png.com/*",
        "https://*.rbcbank.com/*",
        "https://*.regions.com/*",
        "https://*.suntrust.com/*",
        "https://*.tdbank.com/*",
        "https://*.unionbank.com/*",
        "https://*.usbank.com/*",
        "https://*.wellsfargo.com/*",
        "https://*.wpcu.coop/*"
      ],
      "js": [
        "main.js"
      ]
    }
  ]
}