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 a41379387f8a9c0e7bf9e17e9fb88b2125b5d349..a6255eb9ae45d274ded161e18a43aa070b01c893 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;