GMailer - Mail-track, Programar...

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "GMailer - Mail-track, Programar...",
  "version": "3.3",
  "description": "Programar mensajes, comprobar si el destinatario ha leído tu correo, obtener información del emisor...",
  "short_name": "GMailer",
  "icons": {
    "16": "16.png",
    "48": "48.png",
    "128": "128.png"
  },
  "browser_action": {
    "default_icon": "16.png"
  },
  "manifest_version": 2,
  "content_scripts": [
    {
      "js": [
        "inboxsdk.js",
        "loader.js"
      ],
      "css": [
        "jquery.datetimepicker.css",
        "switcheadora.css",
        "merengue.css"
      ],
      "matches": [
        "http://mail.google.com/*",
        "https://mail.google.com/*"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    "iframe.html",
    "iframesito.js"
  ],
  "permissions": [
    "https://gmailer.es/",
    "https://www.gmailer.es/"
  ]
}