bug#29321: Isearch hit count

[Drew Adams]

> Juri: Adapting your patch to my code, I notice that it uses
> `isearch-lazy-highlight-buffer' instead of
> `isearch-lazy-highlight-buffer-p' now.  Did you intend that
> change back to using the option in those occurrences?

More exactly, it seems like you use a mix now of
`isearch-lazy-highlight-buffer' and `lazy-highlight-buffer'
(no `isearch-'), the latter of which is not in your previous
patches at all (for bug #29360).

Please advise.  What replaced what exactly, in this regard?