I started doing a check in my apps. If the user has Chrome installed, links open in that. Otherwise it falls back to Safari.
That way we dont have to mess around with 'integration tools' for simple links to the browser.
All you do is direct a link to googlechrome://<your link here> and it'll force it to open in chrome instead of safari.
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Its the ecosystem. For me Chrome is miles better than Safari because I can pull up pages I have open on any other device that I use Chrome on. It syncs my bokmarks, logins, etc. In comparison Safari is obviously limited to only doing it with Safari on your mac, and if (like most people) you dont use Safari on your mac, its not very useful.