Looking at https://chromium.googlesource.com/chromium/src.git/+/master/... there is:
autocomplete, autofill, content settings, content suggestions, crash reporting, desktop promotion, device sharing, dom distiller, favicon, find in page, first run, geolocation, history, infobars, metrics, open from clipboard, passwords, payments, physical web, prefs, reading list, search engines, share extension, signin, ssl, suggestions, sync, translate, voice
Chrome on iOS has some neat UI innovations, though-- when you drag down on a page you see three icons; a + sign for a new tab, a refresh icon, and an X to close the current tab. So you can drag straight down to refresh, down then left to add a new tab, etc. I really miss that in safari.
It also syncs history, logins, open tabs, etc, with desktop Chrome.
Saying you can press the back button located on the bottom left side of the screen really doesn't cut it.