Replace void* with CFXJSE_HostObect and make wrapped objects inherit from it

xfa/fxfa/parser/xfa_object.h

Index: xfa/fxfa/parser/xfa_object.h
diff --git a/xfa/fxfa/parser/xfa_object.h b/xfa/fxfa/parser/xfa_object.h
index 8fc074c08fb670004533f31a4f32b90e196c7903..17b624fb139b631225981973251f0fa31df81e8f 100644
--- a/xfa/fxfa/parser/xfa_object.h
+++ b/xfa/fxfa/parser/xfa_object.h
@@ -42,7 +42,7 @@ enum XFA_OBJECTTYPE {
   XFA_NODEFLAG_LayoutGeneratedNode = 0x10000,
 };
 
-class CXFA_Object {
+class CXFA_Object : public CFXJSE_HostObject {
  public:
   CXFA_Object(CXFA_Document* pDocument, uint32_t uFlags);
   virtual ~CXFA_Object() {}