YouTube Chronological Order

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "YouTube Chronological Order",
  "description": "Watch all videos from a channel in chronological order",
  "version": "1.0.3",
  "version_name": "1.0.3",
  "page_action": {
    "default_icon": "assets/icons/chronological-icon-16.png",
    "default_title": "Alt+P (Create oldest to newest playlist)"
  },
  "permissions": [
    "declarativeContent",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "commands": {
    "appendToUrl": {
      "suggested_key": {
        "default": "Alt+P"
      },
      "description": "Create oldest to newest playlist"
    }
  },
  "icons": {
    "16": "assets/icons/chronological-icon-16.png",
    "48": "assets/icons/chronological-icon-48.png",
    "128": "assets/icons/chronological-icon-128.png"
  }
}