Examine source code of HomeloadTV

{
  "manifest_version": 2,
  "name": "HomeloadTV",
  "description": "__MSG_extensionDescription__",
  "version": "2.0.3resigned1",
  "default_locale": "en",
  "homepage_url": "http://www.homeloadtv.com/",
  "icons": {
    "48": "icons/hl-48.png"
  },
  "permissions": [
    "menus",
    "contextMenus",
    "activeTab",
    "tabs",
    "storage",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "16": "icons/hl-16.png",
      "32": "icons/hl-32.png"
    },
    "default_title": "__MSG_extensionDescription__",
    "default_popup": "popup/button_menu.html"
  },
  "sidebar_action": {
    "default_icon": "icons/hl-16.png",
    "default_title": "HomeloadTV",
    "default_panel": "sidebar/sidebar.html"
  },
  "applications": {
    "gecko": {
      "id": "homeload@homeload.org",
      "strict_min_version": "57.0"
    }
  }
}