Put method declations under #ifdef DEBUG in header (as they are in objects-in...

src/objects.h

Index: src/objects.h
===================================================================
--- src/objects.h	(revision 2968)
+++ src/objects.h	(working copy)
@@ -751,14 +751,17 @@
   inline bool IsHeapNumber();
   inline bool IsString();
   inline bool IsSymbol();
+#ifdef DEBUG
+  // See objects-inl.h for more details
   inline bool IsSeqString();
   inline bool IsSlicedString();
   inline bool IsExternalString();
-  inline bool IsConsString();
   inline bool IsExternalTwoByteString();
   inline bool IsExternalAsciiString();
   inline bool IsSeqTwoByteString();
   inline bool IsSeqAsciiString();
+#endif // DEBUG
+  inline bool IsConsString();
 
   inline bool IsNumber();
   inline bool IsByteArray();