Simple Calculator

manifest.json

{
  "version": "0.1.1",
  "manifest_version": 2,
  "permissions": [
    "storage"
  ],
  "name": "Simple Calculator",
  "short_name": "simple-calculator",
  "background": {
    "page": "lib/chrome/background.html"
  },
  "homepage_url": "http://mybrowseraddon.com/calculator.html",
  "description": "A simple and very lite calculator for your browser!",
  "browser_action": {
    "default_title": "Simple Calculator",
    "default_popup": "data/popup/popup.html",
    "default_icon": {
      "16": "data/icons/16.png",
      "32": "data/icons/32.png",
      "48": "data/icons/48.png",
      "64": "data/icons/64.png"
    }
  },
  "icons": {
    "16": "data/icons/16.png",
    "32": "data/icons/32.png",
    "48": "data/icons/48.png",
    "64": "data/icons/64.png",
    "128": "data/icons/128.png"
  }
}