Error “TypeError: Cannot read properties of undefined (reading ’getSupportedExtensions')" is thrown and WebGL builds do not run on ChromeOS devices when using WebGL 1.0 Graphics API

How to reproduce:
1. Open the attached “UnityProject_2020.3.42f1.zip” project
2. Press File → Build Settings
3. Make sure WebGL is selected as Platform
4. Press Build
5. Host build folder through Xampp localhost server
6. Launch the build on the ChromeOS device

Expected result: Player launches
Actual result: Player hanging on loading and the error “TypeError: Cannot read properties of undefined (reading ’getSupportedExtensions') is thrown

Reproducible with: 2020.3.42f1

Testing environment: Windows 10 (user reported)

Reproducible on this OS:
ChromeOS 112.0.5615.134

Notes:

• CQA couldn't reproduce this issue
• CQA tested on these devices:
  VLNQA00345 - Asus Chromebook CT100PA
  VLNQA00473 - AMD Stoney Ridge Chromebook

Users notes:

• MRA is forcing WebGL 1.0 (Unity 2020)
• MMA is using auto graphics (Unity 2018)
• User mentions this issue is not reproducible with the 2022.2 stream