Examine source code of SpeedyVideo Extension

{
  "manifest_version": 2,
  "name": "SpeedyVideo Extension",
  "version": "1.1",
  "description": "Enhance video/audio playback speed across tabs up to 16x",
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "extensions@speedy.gi-t.com"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_action": {
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "options.html"
  },
  "permissions": [
    "tabs",
    "storage"
  ]
}