Examine source code of snowe

{
  "manifest_version": 2,
  "name": "snowe",
  "description": "DKSS project tool for ServiceNow",
  "version": "0.6.0",
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "browser_action": {},
  "icons": {
    "16": "icons/s.png",
    "48": "icons/s.png",
    "128": "icons/s.png"
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*.service-now.com/*"
      ],
      "js": [
        "js/content.js"
      ]
    }
  ]
}