YouTube Danmaku

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "YouTube Danmaku",
  "version": "1.1.0",
  "description": "Display YouTube live chat messages as danmaku!",
  "icons": {
    "16": "images/icon_16.png",
    "32": "images/icon_32.png",
    "48": "images/icon_48.png",
    "128": "images/icon_128.png"
  },
  "page_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/icon_16.png",
      "32": "images/icon_32.png",
      "48": "images/icon_48.png",
      "128": "images/icon_128.png"
    }
  },
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "run_at": "document_idle",
      "js": [
        "js/content_script.js"
      ]
    }
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "permissions": [
    "declarativeContent",
    "storage",
    "*://www.youtube.com/*"
  ],
  "web_accessible_resources": [
    "js/vendor.js",
    "js/content_script_inject.js",
    "*.html",
    "images/*",
    "css/*"
  ]
}