https://support.google.com/chrome/answer/95656?hl=en
From that page it sounds like it is on by default.
* No google keylogger in the main url bar (but local autocomplete based on previous history, bookmarks etc)
* access to autocomplete in search field next to url bar (I think removing this was one of the simplifications in the original Chrome.)
Ctrl-L: go to url bar
Ctrl-K: go to search field
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¹ — https://qutebrowser.org/
https://support.google.com/chrome/answer/95656?hl=en
From that page it sounds like it is on by default.