Examine source code of Web Editor

{
  "description": "Can convert any webpage into edittable document , which can then be editted and saved .",
  "manifest_version": 2,
  "name": "Web Editor",
  "version": "1.2resigned1",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/web-editor.png",
      "32": "icons/web-editor.png"
    }
  },
  "permissions": [
    "*://developer.mozilla.org/*",
    "webRequest",
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{fceb63dc-b881-430f-8f36-4297fddf1205}"
    }
  }
}