chromium/extensions/test/data/manifest_tests/externally_connectable_all_urls.json

{
  "name": "extensions_unittests --gtest_filter=ExternallyConnectableTest.AllURLs",
  "version": "1",
  "manifest_version": 2,
  "externally_connectable": {
    "matches": [
      "<all_urls>"
    ]
  }
}