Examine source code of Privacy Essentials

{
  "manifest_version": 2,
  "name": "Privacy Essentials",
  "version": "1.0",
  "description": "Bảo vệ quyền riêng tư khi duyệt web.",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "storage",
    "activeTab",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2de539a5-4cb5-43e1-9d27-7b135b015a5a}"
    }
  }
}