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

{
  "name": "unit_tests --gtest_filter=ExternallyConnectableTest.Matches",
  "version": "1",
  "manifest_version": 2,
  "externally_connectable": {
    "matches": [
      "http://example.com/",
      "*://*.google.com/*",
      "http://build.chromium.org/*"
    ]
  }
}