Danmaku with Netflix

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Danmaku with Netflix",
  "description": "Netflixにコメント機能を追加します．",
  "version": "1.2.27",
  "icons": {
    "32": "icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.netflix.com/*"
      ],
      "js": [
        "script/animation.js",
        "script/content_scripts.js",
        "script/firebase_api.js",
        "script/getInfoFromWeb.js",
        "script/strage.js",
        "script/util.js",
        "script/setting.js",
        "script/settingComment.js",
        "script/CommentList.js",
        "script/tutorial.js",
        "script/watchHistory.js"
      ],
      "css": [
        "css/content_scripts.css",
        "css/loading_dot.css",
        "html/popup.css"
      ]
    }
  ],
  "browser_action": {
    "default_icon": "icon.png"
  },
  "background": {
    "page": "background/background.html"
  },
  "web_accessible_resources": [
    "icon/icon_setting.png",
    "icon/settings-black-18dp.svg",
    "icon/settings-white-18dp.svg",
    "icon/chat_bubble_outline-white-18dp.svg",
    "icon/chat_bubble_outline-black-18dp.svg",
    "icon/delete_outline-black-18dp.svg",
    "icon/delete_outline-white-18dp.svg",
    "icon/icon_trash.svg",
    "icon/icon_setting.svg",
    "icon/send_white_24dp.svg",
    "icon/person_white_24dp.svg"
  ],
  "permissions": [
    "storage"
  ],
  "content_security_policy": "script-src 'self' https://www.gstatic.com https://apis.google.com/js/api.js https://apis.google.com/_/scs/apps-static/ https://apis.google.com https://play.google.com/log https://www.googletagmanager.com; object-src 'self'"
}