chromium/chrome/test/data/extensions/api_test/content_scripts/view_source/manifest.json

{
  "name": "View source content scripts test",
  "description": "Detect when a view source page opens, checking that content scripts don't run.",
  "version": "0.3",
  "manifest_version": 2,
  "background": {
    "scripts": ["background.js"],
    "persistent": true
  },
  "permissions": ["tabs", "http://*/*"],
  "content_scripts": [
    {
      "matches": ["http://*/*"],
      "js": ["request.js"],
      "run_at": "document_start"
    }
  ]
}