Twitch Danmaku

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Twitch Danmaku",
  "description": "Display Twitch chat messages on streaming player.",
  "version": "1.1.3",
  "icons": {
    "16": "assets/icon-16.png",
    "48": "assets/icon-48.png",
    "128": "assets/icon-128.png"
  },
  "page_action": {
    "default_icon": {
      "19": "assets/icon-19.png",
      "38": "assets/icon-38.png"
    },
    "default_popup": "html/popup.html",
    "default_title": "Twitch Danmaku"
  },
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "tabs",
    "storage",
    "webNavigation",
    "http://*.twitch.tv/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://www.twitch.tv/*"
      ],
      "css": [
        "css/content.css"
      ],
      "js": [
        "js/jquery-2.2.1.min.js",
        "js/content.js"
      ]
    }
  ]
}