Examine source code of Display SCP Object Name

{
  "manifest_version": 2,
  "name": "Display SCP Object Name",
  "version": "0.3.1",
  "description": "SCP財団(http://ja.scp-wiki.net/)の報告書にメタタイトルを表示する拡張です",
  "icons": {
    "48": "48icon.png",
    "96": "96icon.png"
  },
  "permissions": [
    "tabs",
    "activeTab"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://scp-wiki.wikidot.com/scp-*",
        "*://scp-jp.wikidot.com/scp-*"
      ],
      "js": [
        "content-scripts.js"
      ]
    }
  ]
}