Examine source code of Auto Scroll Helper

{
  "manifest_version": 2,
  "name": "Auto Scroll Helper",
  "version": "1.0",
  "description": "Automatically scroll any page with one click.",
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_title": "Toggle Auto Scroll"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6d55e17b-291c-42df-b6eb-8630342cb859}"
    }
  }
}