Examine source code of Play HLS

{
  "manifest_version": 2,
  "name": "Play HLS",
  "version": "1.0.0",
  "description": "Play HLS urls in-browser",
  "permissions": [
    "webNavigation",
    "tabs",
    "storage",
    "activeTab",
    "*://*/*",
    "http://*/*",
    "https://*/*",
    "file:///*",
    "<all_urls>"
  ],
  "web_accessible_resources": [
    "*.html",
    "*.js",
    "*.css",
    "*.png"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/content.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "persistent": true
  },
  "icons": {
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{09ad2f27-2c70-4da6-8696-c04678fe69e7}"
    }
  }
}