Reland "[PartitionAlloc] Implement malloc_usable_size() as documented"

This is a reland of commit 1addf29366ec8008c9c19678b8c440718629cdb4

Original change's description:
> [PartitionAlloc] Implement malloc_usable_size() as documented
>
> Bug: 1501312
> Change-Id: I18d72bac9ea501c12fa6cdd04e13b6048d2ccaed
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5019404
> Reviewed-by: Paul Semel <[email protected]>
> Commit-Queue: Benoit Lize <[email protected]>
> Cr-Commit-Position: refs/heads/main@{#1228502}

Bug: 1501312
Change-Id: Ia5a8e5af3ea09818717fd1df1c0ea355303d4bd6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5062853
Reviewed-by: Paul Semel <[email protected]>
Reviewed-by: Francois Pierre Doray <[email protected]>
Commit-Queue: Benoit Lize <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1230627}
diff --git a/base/debug/stack_trace_unittest.cc b/base/debug/stack_trace_unittest.cc
index 436ce78..04a2da0 100644
--- a/base/debug/stack_trace_unittest.cc
+++ b/base/debug/stack_trace_unittest.cc
@@ -216,6 +216,7 @@
     &BadRealloc,        /* realloc_function */
     &BadFree,           /* free_function */
     nullptr,            /* get_size_estimate_function */
+    nullptr,            /* good_size_function */
     nullptr,            /* claimed_address_function */
     nullptr,            /* batch_malloc_function */
     nullptr,            /* batch_free_function */