Image zoom and drag

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Image zoom and drag",
  "version": "0.0.17",
  "manifest_version": 2,
  "description": "Image zoom and drag",
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "image-zoom-and-drag.js"
      ],
      "all_frames": true
    }
  ]
}