VK music navigator

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "VK music navigator",
  "description": "Change songs without tab changing!",
  "version": "1.0",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*",
        "https://vk.com/feed"
      ],
      "js": [
        "script_in_content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "tabs",
    "https://*/*"
  ],
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html",
    "default_title": "Go to Dev.Opera!"
  }
}