FontScanner - Scan for font family names

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "FontScanner - Scan for font family names",
  "short_name": "FontScanner",
  "version": "0.0.0.4",
  "manifest_version": 2,
  "description": "Scans the web page for font names to display the distinct font names applied on the page.",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "scripts": [
      "src/bg/background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_icon": "icons/icon19.png",
    "default_title": "FontScanner - Scan this web page"
  },
  "permissions": [
    "activeTab"
  ],
  "web_accessible_resources": [
    "icons/icon19.png"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'"
}