Examine source code of ScrollSave

{
  "manifest_version": 2,
  "name": "ScrollSave",
  "version": "1.1resigned1",
  "description": "Saves and reloads scroll position",
  "icons": {
    "48": "icons/scrollsave-48.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icons/scrollsave-48-off.png",
    "default_title": "Enable ScrollSave for this page"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "scrollsave.js"
      ]
    }
  ],
  "permissions": [
    "storage",
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{635bffaa-26bf-4629-8076-9bd5640a1a42}"
    }
  }
}