chromium/chrome/test/data/extensions/api_test/sync_file_system/write_file_then_get_usage/manifest.json

{
  "name": "chrome.syncFileSystem.writeFileThenGetUsage",
  "version": "0.1",
  "manifest_version": 2,
  "description": "Compound test to get file system, write a file with some data and check usage gets updated accurately.",
  "permissions": ["syncFileSystem"],
  "app": {
    "background": {
      "scripts": ["test.js"]
    }
  }
}