More changes to use #ifndef PRODUCT ... #endif explicitly instead of relying on compiler magic.

runtime/vm/object_store.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_OBJECT_STORE_H_
 #define VM_OBJECT_STORE_H_
 
 #include "vm/object.h"
 
 namespace dart {
@@ skipping 473 matching lines @@
 
   // Called to initialize objects required by the vm but which invoke
   // dart code.  If an error occurs the error object is returned otherwise
   // a null object is returned.
   RawError* PreallocateObjects();
 
   void InitKnownObjects();
 
   static void Init(Isolate* isolate);
 
+#ifndef PRODUCT
   void PrintToJSONObject(JSONObject* jsobj);
+#endif
 
  private:
   ObjectStore();
 
 #define OBJECT_STORE_FIELD_LIST(V)                                             \
   V(RawClass*, object_class_)                                                  \
   V(RawType*, object_type_)                                                    \
   V(RawClass*, null_class_)                                                    \
   V(RawType*, null_type_)                                                      \
   V(RawType*, function_type_)                                                  \
@@ skipping 101 matching lines @@
 
   friend class Serializer;
   friend class Deserializer;
 
   DISALLOW_COPY_AND_ASSIGN(ObjectStore);
 };
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_STORE_H_