Examine source code of LastPass UD V2

{
  "manifest_version": 2,
  "name": "LastPass UD V2",
  "version": "1.3",
  "description": "Securely manage, encrypt, and access passwords in-browser.",
  "permissions": [
    "storage",
    "clipboardWrite",
    "scripting"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icons/logo_64.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "32": "icons/logo_32.png",
    "64": "icons/logo_64.png",
    "128": "icons/logo_128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a92b9d7e-5729-4a56-a48d-183fd6e8b950}"
    }
  }
}