hide wikipedia donation

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "hide wikipedia donation",
  "description": "remove wikipedia donation popup",
  "version": "1.0",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "index.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://ja.wikipedia.org/*",
        "http://ja.wikipedia.org/*",
        "https://*.wikipedia.org/*",
        "http://*.wikipedia.org/*",
        "https://wikipedia.org/*",
        "http://wikipedia.org/*"
      ],
      "js": [
        "script.js"
      ]
    }
  ],
  "permissions": [
    "activeTab"
  ]
}