Examine source code of Privacy Defender

{
  "browser_action": {
    "browser_style": true,
    "default_title": "Privacy Defender",
    "default_popup": "privacyD.html",
    "default_icon": {
      "19": "icons/icona19.png",
      "38": "icons/icona38.png"
    }
  },
  "description": "Defend your privacy",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://*/*",
    "cookies",
    "<all_urls>",
    "history",
    "tabs"
  ],
  "icons": {
    "48": "icons/icona48.png",
    "96": "icons/icona96.png"
  },
  "manifest_version": 2,
  "name": "Privacy Defender",
  "version": "1.4resigned1",
  "browser_specific_settings": {
    "gecko": {
      "id": "{cbd8fb62-a583-476a-a122-0ec50ea1b82b}"
    }
  }
}