Download music from VK

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "background": {
    "scripts": [
      "scripts/superagent.js",
      "scripts/hls.min.js",
      "scripts/app.js",
      "scripts/proxy/Proxy.js",
      "scripts/proxy/ProxyInit_chrome.js"
    ]
  },
  "content_scripts": [
    {
      "css": [
        "css/main.css"
      ],
      "js": [
        "scripts/site.js"
      ],
      "matches": [
        "*://vk.com/*"
      ],
      "run_at": "document_end"
    }
  ],
  "content_security_policy": "script-src 'self' blob: 'unsafe-eval' https://ssl.google-analytics.com; object-src 'self'",
  "default_locale": "ru",
  "description": "__MSG_description__",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "manifest_version": 2,
  "minimum_chrome_version": "20",
  "name": "__MSG_appName__",
  "permissions": [
    "downloads",
    "storage",
    "proxy",
    "cookies",
    "webRequest",
    "webRequestBlocking",
    "http://*/*",
    "https://*/*"
  ],
  "version": "1.0.0.5",
  "web_accessible_resources": [
    "images/loader.gif",
    "images/icon.png"
  ]
}