Google Music Colorizer

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Google Music Colorizer",
  "version": "1.0.1",
  "description": "Change the colors of your Google Play Music window.",
  "author": "bugfroggy",
  "homepage_url": "https://bugg.co/",
  "offline_enabled": true,
  "icons": {
    "16": "img/logo-16.png",
    "19": "img/logo-19.png",
    "48": "img/logo-48.png",
    "64": "img/logo-64.png",
    "128": "img/logo-128.png"
  },
  "short_name": "GM Color",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "storage",
    "declarativeContent",
    "activeTab",
    "https://play.google.com/music/listen"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://play.google.com/music/listen*"
      ],
      "js": [
        "chroma.min.js",
        "target_data.js",
        "init.js"
      ]
    }
  ],
  "page_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "img/logo-16.png",
      "19": "img/logo-19.png",
      "48": "img/logo-48.png",
      "64": "img/logo-64.png",
      "128": "img/logo-128.png"
    }
  }
}