I'd like to confirm.

Adds a confirm dialog to every Facebook Like Button in order to prevent ClickJacking.

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manifest.json

{
  "update_url": "http://clients2.google.com/service/update2/crx",
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "manifest_version": 2,
  "version": "1.0.3",
  "default_locale": "en",
  "icons": {
    "16": "like-16.png",
    "48": "like-48.png",
    "128": "like-128.png",
    "256": "like-256.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.facebook.com/plugins/*",
        "*://*.facebook.com/widgets/*"
      ],
      "js": [
        "likeconfirm.js"
      ],
      "run_at": "document_end",
      "all_frames": true
    }
  ],
  "permissions": [
    "*://*.facebook.com/plugins/*",
    "*://*.facebook.com/widgets/*"
  ]
}