Old Spotify Web UI

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Old Spotify Web UI",
  "description": "Makes the Spotify Web Player (play.spotify.com) revert to the older and more fully featured user interface.",
  "version": "0.1",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://open.spotify.com/*",
        "https://open.spotify.com/*",
        "http://play.spotify.com/*",
        "https://play.spotify.com/*"
      ],
      "js": [
        "jquery.js",
        "content.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    },
    "default_title": "It's Spotify, but old!"
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  }
}