Playback Speed

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Playback Speed",
  "version": "1.2",
  "description": "Change the playback speed for video or audio clips on any website!",
  "manifest_version": 2,
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "permissions": [
    "activeTab"
  ]
}