Examine source code of ScheduledSurfer

{
  "manifest_version": 2,
  "name": "ScheduledSurfer",
  "version": "0.2_alpha",
  "description": "Refreshes a webpage based on a user-defined schedule.",
  "icons": {
    "48": "icon.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "tabs",
    "storage",
    "alarms",
    "theme"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6926efa2-438c-46f5-ac49-136e38cd3ff9}"
    }
  }
}