Memory-infra: Change "objects_count" to "object_count" in category name.

base/trace_event/winheap_dump_provider_win.cc

Index: base/trace_event/winheap_dump_provider_win.cc
diff --git a/base/trace_event/winheap_dump_provider_win.cc b/base/trace_event/winheap_dump_provider_win.cc
index 8f910b3ce15d69bc797e992ffc148b453b9d3561..7d003c96979a9dae53bef4479bd3ba6bdc129763 100644
--- a/base/trace_event/winheap_dump_provider_win.cc
+++ b/base/trace_event/winheap_dump_provider_win.cc
@@ -35,7 +35,7 @@ void ReportHeapDump(ProcessMemoryDump* pmd, const WinHeapInfo& heap_info) {
   inner_dump->AddScalar(MemoryAllocatorDump::kNameSize,
                         MemoryAllocatorDump::kUnitsBytes,
                         heap_info.allocated_size);
-  inner_dump->AddScalar(MemoryAllocatorDump::kNameObjectsCount,
+  inner_dump->AddScalar(MemoryAllocatorDump::kNameObjectCount,
                         MemoryAllocatorDump::kUnitsObjects,
                         heap_info.block_count);
 }