Oilpan: Re-add a GC_PROFILING macro to GCInfo::className()

Source/platform/heap/GCInfo.h

Index: Source/platform/heap/GCInfo.h
diff --git a/Source/platform/heap/GCInfo.h b/Source/platform/heap/GCInfo.h
index a435caeca58ecd649f04cec50ed914c1881d9f8a..b90465ba852dc44e7f6ce75efe6e3becf0d7e8f2 100644
--- a/Source/platform/heap/GCInfo.h
+++ b/Source/platform/heap/GCInfo.h
@@ -119,7 +119,7 @@ struct GCInfo {
     FinalizationCallback m_finalize;
     bool m_nonTrivialFinalizer;
     bool m_hasVTable;
-#if ENABLE(DETAILED_MEMORY_INFRA)
+#if ENABLE(GC_PROFILING) || ENABLE(DETAILED_MEMORY_INFRA)
     const String className() const { return m_className(); }
     GetClassNameCallback m_className;
 #endif
@@ -174,7 +174,7 @@ struct GCInfoAtBase {
             FinalizerTrait<T>::finalize,
             FinalizerTrait<T>::nonTrivialFinalizer,
             WTF::IsPolymorphic<T>::value,
-#if ENABLE(DETAILED_MEMORY_INFRA)
+#if ENABLE(GC_PROFILING) || ENABLE(DETAILED_MEMORY_INFRA)
             TypenameStringTrait<T>::get
 #endif
         };