Examine source code of Reddit Sidebar Toggle

{
  "manifest_version": 2,
  "name": "Reddit Sidebar Toggle",
  "version": "1.0.3resigned1",
  "description": "Toggle the sidebar on reddit.com",
  "permissions": [
    "activeTab"
  ],
  "icons": {
    "48": "icons/reddit-48.png"
  },
  "browser_action": {
    "default_icon": "icons/reddit-48.png",
    "default_title": "Reddit: Toggle Sidebar"
  },
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4386f1b7-d0f1-403b-a5da-2ad80f4bc4fe}"
    }
  }
}