Revert of [heap] Reland uncommit unused large object page memory.

test/cctest/heap/test-heap.cc

Index: test/cctest/heap/test-heap.cc
diff --git a/test/cctest/heap/test-heap.cc b/test/cctest/heap/test-heap.cc
index cc89c68cfa12820735e4b7201370507c8fef61ec..e76678289bea20a34da33d3cba462569cf60edac 100644
--- a/test/cctest/heap/test-heap.cc
+++ b/test/cctest/heap/test-heap.cc
@@ -6791,28 +6791,5 @@
          !heap->incremental_marking()->IsStopped()));
 }
 
-TEST(UncommitUnusedLargeObjectMemory) {
-  CcTest::InitializeVM();
-  v8::HandleScope scope(CcTest::isolate());
-  Heap* heap = CcTest::heap();
-  Isolate* isolate = heap->isolate();
-
-  Handle<FixedArray> array = isolate->factory()->NewFixedArray(200000);
-  MemoryChunk* chunk = MemoryChunk::FromAddress(array->address());
-  CHECK(chunk->owner()->identity() == LO_SPACE);
-
-  intptr_t size_before = array->Size();
-  size_t committed_memory_before = chunk->CommittedPhysicalMemory();
-
-  array->Shrink(1);
-  CHECK(array->Size() < size_before);
-
-  CcTest::heap()->CollectAllGarbage();
-  CHECK(chunk->CommittedPhysicalMemory() < committed_memory_before);
-  size_t shrinked_size =
-      RoundUp((array->address() - chunk->address()) + array->Size(),
-              base::OS::CommitPageSize());
-  CHECK_EQ(shrinked_size, chunk->CommittedPhysicalMemory());
-}
 }  // namespace internal
 }  // namespace v8