Examine source code of Blur.live Ultimate

{
  "manifest_version": 2,
  "default_locale": "en",
  "name": "__MSG_ExtNameUltimate__",
  "description": "__MSG_ExtDescriptionUltimate__",
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "browser_action": {
    "default_icon": "media/Blur_icon_inactive_square_128.png",
    "default_title": "Blur.live Ultimate"
  },
  "homepage_url": "https://blur.live",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [],
  "permissions": [],
  "icons": {
    "16": "media/16.png",
    "48": "media/48.png",
    "128": "media/128.png"
  },
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "version": "1.23.1416.2638",
  "browser_specific_settings": {
    "gecko": {
      "id": "{e2419ebd-56e7-4206-a165-268dd33edd16}"
    }
  }
}