> within Chrome I can rarely find something in my history without opening the history view
Yes. And bookmarks, for me. Back when I had switched from Firefox to Chrome, I thought it hadn't imported most of my bookmarks. Chrome would hardly ever show me the things I expected/wanted.
Having switched back to Firefox, I'm delighted with the experience of it actually suggesting the things I want, again.
The only time I use Chrome these days, is for something Google can't be arsed to make work correctly in other browsers (e.g. photo editing on G+, label dropdowns in Gmail, ad nauseum).
What I like about Firefox (versus Chrome specifically) is that the AwesomeBar gives much better suggestions from your history, doing full-text searches in titles - within Chrome I can rarely find something in my history without opening the history view and seriously, most searches that I do are for things that I've already seen and it saves a lot of roundtrips to Google (hint, hint), plus searching for things you can barely remember on Google, which you end up doing in Chrome, is like searching for the metaphorical needle in a haystack.
Plus, as others said, I like it when the browser cares about my privacy. On Android on the other hand there's only a single bar due to a lack of space, but it asks you if you want to activate Google's search suggestions.