FreedomCalc

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "FreedomCalc",
  "version": "1.0.1",
  "manifest_version": 2,
  "description": "Free text calculator extension, You can perform basic to complex mathamatical calculations without irritating button clicks.",
  "browser_action": {
    "default_icon": "img/icon.png",
    "default_popup": "index.html"
  },
  "content_security_policy": "script-src 'self' 'unsafe-eval' https://ssl.google-analytics.com; object-src 'self' 'unsafe-eval'",
  "permissions": [
    "storage",
    "contextMenus",
    "notifications"
  ],
  "background": {
    "scripts": [
      "js/math.min.js",
      "js/background.js"
    ],
    "persistent": true
  },
  "icons": {
    "16": "img/icon.png",
    "48": "img/icon.png",
    "128": "img/icon.png"
  }
}