MSteam

manifest.json

{
  "manifest_version": 2,
  "name": "MSteam",
  "version": "1.0.0.2",
  "description": "shows steam id64, and account creation date.",
  "icons": {
    "48": "icons/border-48.png"
  },
  "applications": {
    "gecko": {
      "id": "{c63f4313-92b9-4ee5-95db-7d300a1e9f7f}"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.steamcommunity.com/profiles/*",
        "*://*.steamcommunity.com/id/*"
      ],
      "js": [
        "MSteam.js"
      ]
    }
  ]
}