Examine source code of Pxlet Bookmarklet

{
  "manifest_version": 2,
  "name": "Pxlet Bookmarklet",
  "version": "1.1.0",
  "description": "This is an extension to help you bookmark any link into Pxlet.com",
  "homepage_url": "https://pxlet.com",
  "icons": {
    "16": "image/logo.png",
    "32": "image/logo.png",
    "64": "image/logo.png",
    "128": "image/logo.png"
  },
  "permissions": [
    "contextMenus",
    "notifications",
    "storage",
    "tabs",
    "*://www.pxlet.com/*"
  ],
  "browser_action": {
    "default_icon": "image/logo.png",
    "default_title": "Pxlet Bookmarklet",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  }
}