Examine source code of Throw your arms around me

{
  "name": "Throw your arms around me",
  "description": "Attempts to show leading information from opened tabs. The purpose is to have a single browse of the opened tabs information. Each item features the leading information of the opened tab if available. Clicking on its link brings the action of switching to that tab for further reading.",
  "version": "1.1resigned1",
  "permissions": [
    "<all_urls>",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js?0"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js?0"
      ]
    }
  ],
  "web_accessible_resources": [
    "gpl-1.0.txt?0",
    "popup.html?0"
  ],
  "browser_action": {
    "default_icon": "default-64.png?0",
    "default_title": "Webscraper"
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{050ed7f5-22a9-449a-b50c-273d7d0bd0bd}"
    }
  }
}