Assume everywhere that 0 was passed, which means "use natural size".
This means use sizeof(PartitionRefCount), possibly adjusted to
workaround certain issues:
1) MTE/BRP race (crbug.com/1445816)
2) Mac 13 & 14 crashes (crbug.com/1378822, crbug.com/1457756)
But this calculation happens internally and is unaffected by this CL.
The only difference is that we can no longer externally override
ref_count_size to something higher.
This CL is considered a no-op, since the default param size is
"natural" (i.e. 0).
Change-Id: Ib5e37e375a0f282cfbb1fa028819dceac0ded0aa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5148493
Commit-Queue: Mikihito Matsuura <mikt@google.com>
Auto-Submit: Bartek Nowierski <bartekn@chromium.org>
Reviewed-by: Mikihito Matsuura <mikt@google.com>
Cr-Commit-Position: refs/heads/main@{#1240532}
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