Examine source code of CMC Security Online

{
  "manifest_version": 2,
  "name": "CMC Security Online ",
  "version": "0.13.2",
  "icons": {
    "16": "normal_16px.png",
    "24": "normal_24px.png",
    "32": "normal_32px.png",
    "44": "normal_44px.png",
    "48": "normal_48px.png",
    "64": "normal_64px.png",
    "128": "normal_128px.png",
    "150": "normal_150px.png",
    "256": "normal_256px.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "nativeMessaging",
    "storage"
  ],
  "content_scripts": [
    {
      "js": [
        "content_start.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_start"
    },
    {
      "js": [
        "content_end.js"
      ],
      "css": [
        "spoiler_style.css"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    "Defense/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7bc159a1-de66-48a2-afa1-3827f63fcc28}"
    }
  }
}