Examine source code of Open News

{
  "manifest_version": 2,
  "name": "Open News",
  "version": "1.5resigned1",
  "description": "Removes 'continue reading' button from several news websites as well as adblock warnings.",
  "icons": {
    "48": "icons/border-48.png",
    "64": "icons/border-64.png",
    "96": "icons/border-96.png",
    "128": "icons/border-128.png",
    "256": "icons/border-256.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.jn.pt/*"
      ],
      "js": [
        "jnunlock.js"
      ]
    },
    {
      "matches": [
        "*://*.dn.pt/*"
      ],
      "js": [
        "dnunlock.js"
      ]
    },
    {
      "matches": [
        "*://*.observador.pt/*"
      ],
      "js": [
        "observadorunlock.js"
      ]
    },
    {
      "matches": [
        "*://*.ojogo.pt/*"
      ],
      "js": [
        "ojogounlock.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{8684ba2b-6373-4a6b-8ac9-7ffb37bc9bcd}"
    }
  }
}