Examine source code of PasswordMaker Pro

{
  "author": "Heavensrevenge",
  "applications": {
    "gecko": {
      "id": "chrome-passwordmaker@passwordmaker"
    }
  },
  "background": {
    "scripts": [
      "javascript/background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "16": "images/passwdmaker16.png",
      "48": "images/passwdmaker48.png",
      "128": "images/passwdmaker128.png"
    },
    "default_popup": "html/popup.html"
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Alt+Z"
      }
    }
  },
  "description": "Flexible password generator using a cryptographic hash algorithm of your choice - Fully Compatible with PasswordMaker.org",
  "homepage_url": "https://github.com/dolohow/chrome-passwordmaker",
  "icons": {
    "16": "images/passwdmaker16.png",
    "48": "images/passwdmaker48.png",
    "128": "images/passwdmaker128.png"
  },
  "manifest_version": 2,
  "name": "PasswordMaker Pro",
  "options_ui": {
    "page": "html/options.html",
    "open_in_tab": true
  },
  "optional_permissions": [
    "clipboardRead",
    "clipboardWrite"
  ],
  "permissions": [
    "activeTab",
    "storage",
    "alarms"
  ],
  "version": "0.8.8.2resigned1"
}