Simple Image Rotator

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Simple Image Rotator",
  "description": "(extremely) basic extension to rotate images in-place",
  "version": "0.0.2",
  "background": {
    "scripts": [
      "main.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "permissions": [
    "contextMenus"
  ]
}