It's been reported that Google has been preparing an iOS version of Chrome using the Blink browser engine for a while - as they had assumed this would eventually be allowed.
> Bug to track creating a content_shell application that compiles in the necessary parts of blink, content, and components on iOS. This experimental application will be used to measure graphics and input latencies by providing traces for analysis.
> Experimental only, not a launch bug for a shippable product.
https://bugs.chromium.org/p/chromium/issues/detail?id=141170...
Things like this reinforce my suspicion that Chrome (including Chromium, advertising, yada yada) is a billion if not multi billion dollar per year effort.