chromium/chrome/test/data/extensions/api_test/service_worker/content_script_fetch/manifest.json

{
  "name": "content script fetch",
  "version": "0.1",
  "manifest_version": 2,
  "description": "tests that content script initiated fetch should not go to the SW of page",
  "background": {
    "scripts": ["background.js"]
  },
  "permissions": ["http://*/*", "tabs"],
  "content_scripts": [
    {
      "matches": ["http://*/*"],
      "js": ["content_script.js"]
    }
  ],
  "web_accessible_resources": [
    "data_for_content_script"
  ]
}