chromium/chrome/test/data/extensions/api_test/tabs/capture_visible_tab_null_window/manifest.json

{
  "name": "chrome.tabs.captureVisibleTab test: nullWindow",
  "version": "0.1",
  "manifest_version": 2,
  "description": "end-to-end browser test for chrome.tabs.captureVisibleTab",
  "permissions": [ "tabs", "<all_urls>" ],
  "background": {
    "scripts": [ "background.js" ],
    "persistent": true
  }
}