chromium/chrome/test/data/extensions/api_test/declarative/redirect_to_data/manifest.json

{
  "name": "Declarative apitest, redirect all to data: scheme",
  "version": "0.1",
  "manifest_version": 2,
  "description": "Redirects all requests to a fixed data: URI.",
  "background": {
    "persistent": false,
    "scripts": ["background.js"]
  },
  "permissions": [
    "declarativeWebRequest", "<all_urls>", "tabs"
  ]
}