Spooky Detector

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Spooky Detector",
  "description": "Plays a spooky song when spookiness on page is detected",
  "version": "1.0.5",
  "browser_action": {
    "default_icon": "skull128.png",
    "default_popup": "popup.html",
    "default_title": "Spooky Detector Active"
  },
  "icons": {
    "16": "skull16.png",
    "32": "skull32.png",
    "48": "skull48.png",
    "128": "skull128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "background": {
    "page": "background.html"
  },
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "https://ajax.googleapis.com/",
    "<all_urls>"
  ]
}