Track live instance and allocation counts for classes

runtime/vm/object.h

Index: runtime/vm/object.h
diff --git a/runtime/vm/object.h b/runtime/vm/object.h
index f093f750e9ea2eb911bb75b6b6cc8e81e0db7b44..81d5996d39ae60649efafb3ac060e9adf42a449b 100644
--- a/runtime/vm/object.h
+++ b/runtime/vm/object.h
@@ -1097,6 +1097,8 @@ class Class : public Object {
   class MixinTypeAppliedBit : public BitField<bool, kMixinTypeAppliedBit, 1> {};
 
   void set_name(const String& value) const;
+  void set_user_name(const String& value) const;
+  RawString* GenerateUserVisibleName() const;
   void set_signature_function(const Function& value) const;
   void set_signature_type(const AbstractType& value) const;
   void set_state_bits(intptr_t bits) const;