Rename fCount->fSize, fAllocCount->fCapacity, fItemArray->fData

Remove unused definition of kMinHeapAllocCount

Change-Id: I8fa795e75b939661e3d70723ec11ed3a787afb4d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/604976
Reviewed-by: John Stiles <johnstiles@google.com>
Commit-Queue: Herb Derby <herb@google.com>
1 file changed