Examine source code of Tab Reloader

{
  "browser_action": {
    "default_icon": "icons/reloader.png",
    "default_title": "Reload Tabs in current window"
  },
  "description": "Reload Tabs in the current window",
  "icons": {
    "48": "icons/reloader.png",
    "96": "icons/reloader.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "manifest_version": 2,
  "name": "Tab Reloader",
  "permissions": [
    "activeTab",
    "contextMenus",
    "tabs"
  ],
  "version": "1.1.0.1resigned1",
  "browser_specific_settings": {
    "gecko": {
      "id": "{e645c64f-6385-479d-9e21-a5a43702d4bb}"
    }
  }
}