Revert of [heap] Move large object space selection into AllocateRaw.

src/heap/heap.h

Index: src/heap/heap.h
diff --git a/src/heap/heap.h b/src/heap/heap.h
index 442d4dee1ace9108b8aa6b0a4a4e060e2aaacc15..3b6fd98da4f9cbe762c1754c2cdd0525e32065fe 100644
--- a/src/heap/heap.h
+++ b/src/heap/heap.h
@@ -1640,8 +1640,10 @@
   static void ScavengeStoreBufferCallback(Heap* heap, MemoryChunk* page,
                                           StoreBufferEvent event);
 
-  // Selects the proper allocation space based on the pretenuring decision.
-  static AllocationSpace SelectSpace(PretenureFlag pretenure) {
+  // Selects the proper allocation space depending on the given object
+  // size and pretenuring decision.
+  static AllocationSpace SelectSpace(int object_size, PretenureFlag pretenure) {
+    if (object_size > Page::kMaxRegularHeapObjectSize) return LO_SPACE;
     return (pretenure == TENURED) ? OLD_SPACE : NEW_SPACE;
   }