Chrome for Android got a dark theme in version 74 back in April, but it was hidden behind a flag, which means most people probably didn't even know it existed. Fast forward to today, and Google is rolling out Chrome 75 for Android, and this finally brings the dark theme option to the browser's Settings menu, for everyone to see (and enable at will). By default Chrome will automatically switch to the dark theme when your device's Battery Saver is on, but you can force it to always be light or always dark. And to prove it's serious about the whole dark theme thing, Google's Chrome team has...
Source: https://www.gsmarena.com/new_chrome_version_for_android_makes_the_dark_theme_more_accessible_adds_password_generator-news-37471.php