AliChrome

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "AliChrome",
  "version": "0.32",
  "description": "Helps converting AliExpress USD values to HUF. The conversion will only be completed when the page has finished loading.",
  "background": {
    "page": "background.html"
  },
  "manifest_version": 2,
  "browser_action": {
    "name": "Manipulate DOM",
    "icons": [
      "icon.png"
    ],
    "default_icon": "icon.png",
    "permissions": [
      "http://www.freecurrencyconverterapi.com/"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "jquery-2.0.2.min.js",
        "background.js"
      ],
      "css": [
        "customStyles.css"
      ],
      "matches": [
        "*://*.aliexpress.com/*",
        "*://www.freecurrencyconverterapi.com/*"
      ]
    }
  ]
}