Examine source code of iLovePDF 2 Plus

{
  "manifest_version": 2,
  "name": "iLovePDF 2 - Chrome Extension",
  "version": "1.6",
  "description": "iLovePDF2 is the only 100% free PDF toolkit to Edit, Merge, Split, Compress, and Convert your files.",
  "permissions": [
    "activeTab",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/icon16.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{266f9234-de9c-4d0b-ac06-79d1bdff8663}"
    }
  }
}