HeliumKnob

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "HeliumKnob",
  "short_name": "Helium",
  "description": "Changes the pitch of your web audio for fun and games.",
  "version": "1.0",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "19": "ba19x19.png"
    },
    "default_popup": "popup.html",
    "default_title": "Helium"
  },
  "icons": {
    "16": "icon16x16.png",
    "19": "icon19x19.png",
    "32": "icon32x32.png",
    "64": "icon64x64.png",
    "128": "icon128x128.png"
  },
  "permissions": [
    "tabCapture"
  ]
}