Examine source code of Menu Extractor

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "1.4.1",
  "icons": {
    "48": "icons/icons-48.png"
  },
  "permissions": [
    "notifications",
    "activeTab",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background-scripts/background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icons/icons-48.png",
    "browser_style": true,
    "default_title": "__MSG_extensionDescription__"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_idle",
      "js": [
        "content-scripts/createNamespaces.js",
        "content-scripts/MenEx/util/Hashtable.js",
        "content-scripts/MenEx/util/TreeSearch.js",
        "content-scripts/MenEx/misc/Misc.js",
        "content-scripts/MenEx/site/Link.js",
        "content-scripts/MenEx/site/Website.js",
        "content-scripts/MenEx/site/Webpage.js",
        "content-scripts/MenEx/algorithm/MenEx/Config.js",
        "content-scripts/MenEx/algorithm/MenEx/HierarchyLinks.js",
        "content-scripts/MenEx/algorithm/MenEx/Menu.js",
        "content-scripts/MenEx/algorithm/MenEx/MenEx.js",
        "content-scripts/MenEx/MenuExtractor.js",
        "content-scripts/browserOverlay.js"
      ]
    }
  ],
  "default_locale": "en"
}