Examine source code of Open selected links

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "1.0.1resigned1",
  "homepage_url": "https://github.com/c-yan/open-selected-links",
  "default_locale": "en",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "activeTab",
    "tabs",
    "menus"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{63395548-7017-4407-a03a-31a553563e7b}"
    }
  }
}