Volume Manager

manifest.json

{
  "name": "__MSG_app_name__",
  "description": "__MSG_app_description__",
  "default_locale": "en",
  "version": "30",
  "author": "Vadagon",
  "manifest_version": 2,
  "permissions": [
    "tabCapture",
    "activeTab",
    "tabs",
    "storage",
    "<all_urls>"
  ],
  "browser_action": {
    "default_title": "__MSG_app_name__",
    "default_popup": "popup.html",
    "default_icon": "images/icon128.png"
  },
  "icons": {
    "128": "images/icon128.png"
  },
  "background": {
    "scripts": [
      "background/core.js",
      "background/main.js",
      "background/listeners.js",
      "background/visualizer.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://*/*",
        "<all_urls>"
      ],
      "css": [
        "custom/css/style.css"
      ],
      "js": [
        "custom/js/content.js"
      ]
    }
  ],
  "offline_enabled": true,
  "commands": {
    "toggle-up-1": {
      "suggested_key": {
        "default": "Alt+Up"
      },
      "description": "Volume up"
    },
    "toggle-down-1": {
      "suggested_key": {
        "default": "Alt+Down"
      },
      "description": "Volume down"
    }
  },
  "content_security_policy": "script-src 'self' https://ssl.google-analytics.com; object-src 'self'",
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}