Examine source code of Tabs Search & Navigator

{
  "background": {
    "scripts": [
      "jquery-3.2.1.min.js",
      "script.js"
    ]
  },
  "browser_action": {
    "default_icon": "option.png",
    "default_popup": "popup.html"
  },
  "commands": {
    "_execute_browser_action": {
      "description": "Activate Tab++",
      "suggested_key": {
        "default": "Alt+O",
        "mac": "Command+O"
      }
    },
    "ordertitle": {
      "description": "Order By Title",
      "suggested_key": {
        "default": "Alt+T"
      }
    },
    "orderurl": {
      "description": "Order By URL",
      "suggested_key": {
        "default": "Alt+U"
      }
    }
  },
  "content_scripts": [
    {
      "all_frames": false,
      "css": [],
      "js": [
        "jquery-3.2.1.min.js",
        "jquery.mark.min.js",
        "content.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_end"
    }
  ],
  "content_security_policy": "script-src 'self' https://ssl.google-analytics.com; object-src 'self'",
  "description": "Tabs Search & Navigator",
  "icons": {
    "128": "option.png"
  },
  "manifest_version": 2,
  "minimum_chrome_version": "23",
  "name": "Tabs Search & Navigator",
  "permissions": [
    "tabs",
    "storage",
    "http://*/*",
    "https://*/*"
  ],
  "short_name": "Tabs Search & Navigator",
  "version": "1.1",
  "web_accessible_resources": [
    "close.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{2661a1fe-45a6-449c-9af1-76d5a9addc51}"
    }
  }
}