chromium/chrome/test/data/extensions/api_test/incognito/split/manifest.json

{
  "name": "incognito split-mode apitest",
  "version": "0.1",
  "manifest_version": 2,
  "description": "test that an incognito extension in split mode behaves properly",
  "background": {
    "scripts": ["background.js"]
  },
  "incognito": "split",
  "permissions": ["tabs", "bookmarks", "http://*/*"]
}