Ask HN: Just me or did Apple install iCloud Bookmark extension without asking?

I only just noticed it today on my personal computer (which I'm use infrequently).<p>On a separate note: they make no effort to blend toolbar icon in like other extensions. The error message doesn't inspire confidence.<p>Image:<p>https://pbs.twimg.com/media/BUu3ke8CEAARIqp.jpg:large