Examine source code of Link Scraper

{
  "manifest_version": 2,
  "name": "Link Extractor",
  "version": "1.0",
  "description": "Extract links and their anchor text from web pages.",
  "permissions": [
    "activeTab",
    "<all_urls>"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "icons": {
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{79b9dbcf-cc5a-4cda-89ef-c4ab097eb074}"
    }
  }
}