Examine source code of Play HLS M3u8

{
  "background": {
    "scripts": [
      "event.js"
    ]
  },
  "browser_action": {
    "default_icon": "icon128.png",
    "default_title": "Disable"
  },
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "description": "Play HLS urls in-browser",
  "icons": {
    "128": "icon128.png"
  },
  "manifest_version": 2,
  "name": "Play HLS M3u8",
  "permissions": [
    "<all_urls>",
    "webRequest",
    "webRequestBlocking"
  ],
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "1.5.1",
  "web_accessible_resources": [
    "*.html"
  ]
}