chromium/chrome/test/data/extensions/platform_apps/windows_api_alpha_enabled/has_permissions_has_alpha/manifest.json

{
  "name": "Windows API - alphaEnabled (platform supports Alpha)",
  "version": "1",
  "manifest_version": 2,
  "app": {
    "background": {
      "scripts": ["background.js"]
    }
  },
  "permissions": ["app.window.alpha"]
}