Left Right Sound Select

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Left Right Sound Select",
  "short_name": "Left Right Sound Select",
  "description": "Allow you to easily change stereo sound on web sites to mono left/right with one click. Useful for videos with dual-language tracks.",
  "version": "0.0.1",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "contentscript.js"
      ],
      "run_at": "document_end",
      "all_frames": true
    }
  ],
  "browser_action": {
    "default_icon": {
      "256": "sound.png"
    },
    "default_title": "Left Right Sound Select",
    "default_popup": "popup.html"
  }
}