Examine source code of Selected Links Downloader

{
  "manifest_version": 2,
  "name": "Selected Links Downloader",
  "description": "Download selected links.",
  "version": "1.1resigned1",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "contextMenus",
    "downloads",
    "*://*/"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{a2c7d932-a29c-4ea4-a428-ef2bdb632acb}"
    }
  }
}