MediaBlock

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "MediaBlock",
  "description": "Hide images and videos on sites except those on the (managed) whitelist.",
  "version": "0.5.1",
  "icons": {
    "192": "icon.png"
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "js": [
        "blockif.js"
      ]
    }
  ],
  "storage": {
    "managed_schema": "schema.json"
  }
}