Gmail Domain Highlighter

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Gmail Domain Highlighter",
  "description": "Visually indicates the type of email domain in Gmail.",
  "version": "0.0.1",
  "homepage_url": "https://github.com/berndverst",
  "content_scripts": [
    {
      "matches": [
        "https://mail.google.com/mail/*",
        "https://www.google.com/calendar/*"
      ],
      "js": [
        "jquery-2.1.4.min.js",
        "domain-highlighter.js"
      ]
    }
  ],
  "options_page": "options.html",
  "permissions": [
    "tabs",
    "storage"
  ]
}