Examine source code of Srsltid Strippers

{
  "manifest_version": 2,
  "name": "Srsltid Stripper",
  "version": "1.0",
  "description": "Automatically removes the srsltid query parameter from URLs in the browser.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icon.png"
    }
  },
  "permissions": [
    "tabs",
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{4e436442-0154-4e12-b731-c223deb0615e}"
    }
  }
}