たまに熱盛が出てしまうextension

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "たまに熱盛が出てしまうextension",
  "short_name": "たまに熱盛が出てしまう",
  "description": "動画を再生していると10%の確率で熱盛と表示されてしまうchrome extension です。",
  "version": "0.1.3",
  "manifest_version": 2,
  "default_locale": "en",
  "icons": {
    "16": "images/icon-16.png",
    "128": "images/icon-128.png"
  },
  "options_page": "pages/options.html",
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "css": [
        "styles/contentscript.css"
      ],
      "js": [
        "scripts/contentscript.js"
      ],
      "run_at": "document_end",
      "all_frames": false
    }
  ],
  "permissions": [
    "activeTab",
    "storage"
  ],
  "web_accessible_resources": [
    "images/atsumori.png",
    "styles/shadow.css",
    "assets/atsumori.mp3",
    "assets/apologize.mp3"
  ]
}