Examine source code of Snapchat Web Fixer

{
  "description": "Removes spyware from the original extension 'Snapchat web', but still functions.",
  "manifest_version": 2,
  "name": "Snapchat Web Fixer",
  "version": "1.0.7",
  "default_locale": "en",
  "permissions": [
    "activeTab",
    "webRequest",
    "webRequestBlocking",
    "*://*.snapchat.com/*",
    "*://*.sc-corp.net/*"
  ],
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.snapchat.com/*"
      ],
      "run_at": "document_end",
      "js": [
        "scripts/content.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "scripts/inject.js",
    "scripts/service-worker.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{b5f59694-8ff9-4fce-a69c-9cf08f2e3398}"
    }
  }
}