Examine source code of CodeShare

{
  "manifest_version": 2,
  "name": "CodeShare",
  "version": "2.2.1",
  "description": "CodeShare enables one to share text snippets with others securely and quickly.",
  "icons": {
    "48": "icons/beasts-48.png"
  },
  "permissions": [
    "activeTab",
    "clipboardRead",
    "clipboardWrite"
  ],
  "browser_action": {
    "default_icon": "icons/beasts-32.png",
    "default_title": "CodeShare",
    "default_popup": "popup/index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{645245e8-3d5a-4ffc-8a17-86eea1a77214}"
    }
  }
}