This will allow implementing per-type allocation stats.

Also migrate old-style zone allocations
  ... = new (zone) MyObject(...)

to the new style:
  ... = zone->New<MyObject>(...)

in several source files.

Bug: v8:10689
Change-Id: I1b044c9eccb4ac7e1b627276691f3c1fbad52137
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2288232
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68781}