Cast with MkChromecast

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Cast with MkChromecast",
  "version": "0.0.1",
  "manifest_version": 2,
  "description": "Casts videos in pages like youtube via MkChromecast",
  "homepage_url": "https://github.com/thann/play-with-mpv",
  "icons": {
    "128": "mkchromecast-logo.png"
  },
  "page_action": {
    "default_icon": "mkchromecast-logo.png",
    "default_title": "Cast with MkChromecast"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "activeTab",
    "contextMenus",
    "http://localhost/"
  ]
}