Auto HD 720p/1080p

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "youtube.js"
      ],
      "matches": [
        "http://*.youtube.com/*",
        "https://*.youtube.com/*"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_action": {
    "default_icon": {
      "16": "icon-16.png",
      "48": "icon-48.png",
      "128": "icon-128.png"
    },
    "default_popup": "popup/index.html",
    "default_title": "__MSG_app_name__"
  },
  "default_locale": "en",
  "description": "Watch videos automatically in HD quality! Supported up to 720p/4k/8k.",
  "icons": {
    "16": "icon-16.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "manifest_version": 2,
  "name": "Auto HD 720p/1080p",
  "permissions": [
    "storage",
    "tabs",
    "webRequest",
    "webRequestBlocking"
  ],
  "version": "1.2.5"
}