Examine source code of Form Data Backup Pro

{
  "manifest_version": 2,
  "name": "Form Data Backup Pro",
  "version": "1.0",
  "description": "Automatically backup and restore form data with multiple profiles support",
  "permissions": [
    "storage",
    "tabs",
    "<all_urls>",
    "contextMenus"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icons/icon48.png",
      "96": "icons/icon96.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "icons": {
    "48": "icons/icon48.png",
    "96": "icons/icon96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a20e9d83-105b-4ca0-a073-9d4ac9cd28dd}"
    }
  }
}