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 2a107dbc680d08490de9a1d8bedfa98e0eaa61dd..4841fa0461c3b7bef3a0176d63364082ec4dfe53 100644
--- a/runtime/vm/object.h
+++ b/runtime/vm/object.h
@@ -1103,6 +1103,8 @@ 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;