e-Grip add-on

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "e-Grip add-on",
  "description": "e-Grip add-on for Google Chrome",
  "version": "2.1",
  "background": {
    "persistent": false,
    "scripts": [
      "sample.js"
    ]
  },
  "permissions": [
    "contextMenus",
    "tabs"
  ],
  "icons": {
    "16": "icon-16.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "manifest_version": 2
}