Add to Sonos Queue

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Add to Sonos Queue",
  "version": "1.0.0",
  "description": "Add tracks from SoundCloud to your Sonos queue",
  "homepage_url": "https://github.com/robbi5/add-to-sonos-queue",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "persistent": false
  },
  "page_action": {
    "default_icon": {
      "19": "icons/icon19.png",
      "38": "icons/icon38.png"
    },
    "default_title": "Add to Sonos Queue",
    "default_popup": "page_action/page_action.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://soundcloud.com/*"
      ],
      "css": [
        "css/add-to-sonos-queue.css"
      ],
      "js": [
        "js/sc.js"
      ]
    },
    {
      "matches": [
        "https://w.soundcloud.com/player*"
      ],
      "css": [
        "css/add-to-sonos-queue.css"
      ],
      "js": [
        "js/sc-widget.js"
      ],
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    "content_script/loading.gif",
    "content_script/loading-dark.gif"
  ],
  "options_page": "settings/settings.html",
  "options_ui": {
    "page": "settings/options.html",
    "chrome_style": true
  },
  "permissions": [
    "declarativeContent",
    "activeTab",
    "storage",
    "https://api.soundcloud.com/*",
    "http://*/MediaRenderer/AVTransport/Control",
    "http://*/xml/device_description.xml"
  ]
}