Hide some more heap allocators.

test/cctest/cctest.h

Index: test/cctest/cctest.h
diff --git a/test/cctest/cctest.h b/test/cctest/cctest.h
index e0f359898ff58f4aa9d4c746325549a4a2c76604..b85f462fc57bb73a020db3d63612139f6b791c39 100644
--- a/test/cctest/cctest.h
+++ b/test/cctest/cctest.h
@@ -83,12 +83,13 @@ typedef v8::internal::EnumSet<CcTestExtensionIds> CcTestExtensionFlags;
 // Use this to expose protected methods in i::Heap.
 class TestHeap : public i::Heap {
  public:
+  using i::Heap::AllocateArgumentsObject;
+  using i::Heap::AllocateByteArray;
+  using i::Heap::AllocateFixedArray;
   using i::Heap::AllocateHeapNumber;
-  using i::Heap::AllocateMap;
   using i::Heap::AllocateJSObject;
   using i::Heap::AllocateJSObjectFromMap;
-  using i::Heap::AllocateByteArray;
-  using i::Heap::AllocateArgumentsObject;
+  using i::Heap::AllocateMap;
   using i::Heap::CopyCode;
 };