Remove unused ValueInfo struct

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index e8c985048455e406c77c6b4c6814261f2cb7ab41..a643856c8d7ea66a5d89255e805ee2d41a5af770 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -876,14 +876,6 @@ class ObjectVisitor;
 class StringStream;
 class Type;
 
-struct ValueInfo : public Malloced {
-  ValueInfo() : type(FIRST_TYPE), ptr(NULL), str(NULL), number(0) { }
-  InstanceType type;
-  Object* ptr;
-  const char* str;
-  double number;
-};
-
 
 // A template-ized version of the IsXXX functions.
 template <class C> inline bool Is(Object* obj);