Note

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Note",
  "version": "1.0",
  "description": "An extension that stores notes.",
  "manifest_version": 2,
  "permissions": [
    "storage"
  ],
  "browser_action": {
    "default_icon": {
      "16": "images/icon16.png",
      "24": "images/icon24.png",
      "32": "images/icon32.png"
    },
    "default_title": "Note",
    "default_popup": "popup.html"
  }
}