Examine source code of PDF Inline Reader

{
  "manifest_version": 2,
  "name": "PDF Inline Reader",
  "version": "1.0",
  "description": "Đọc file PDF trực tiếp trong trình duyệt như web.",
  "permissions": [
    "<all_urls>",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "web_accessible_resources": [
    "pdfjs/web/viewer.html"
  ],
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2f98e286-02a5-4756-8ace-c87ce230495e}"
    }
  }
}