Tab Audio Control

manifest.json

{
  "manifest_version": 2,
  "name": "TabControl",
  "version": "1.0",
  "description": "Select all tabs and perform operations on them",
  "icons": {
    "48": "icons/control-48.png"
  },
  "permissions": [
    "tabs",
    "<all_urls>"
  ],
  "commands": {
    "toggle-audio": {
      "suggested_key": {
        "default": "Alt+1"
      },
      "description": "Send a 'toggle-audio' event"
    },
    "focus-audio": {
      "suggested_key": {
        "default": "Alt+2"
      },
      "description": "Send a 'focus-audio' event"
    },
    "toggle-all-audio": {
      "suggested_key": {
        "default": "Alt+3"
      },
      "description": "Send a 'toggle-all-audio' event"
    }
  },
  "background": {
    "scripts": [
      "tabcontrol.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{419f181a-54fd-406c-8447-1eb35d25ba5d}"
    }
  }
}