1 files changed, 4 insertions, 0 deletions
diff --git a/core/fpdfapi/parser/cpdf_object.h b/core/fpdfapi/parser/cpdf_object.h
index 616573724b..8194256f5a 100644
--- a/core/fpdfapi/parser/cpdf_object.h
+++ b/core/fpdfapi/parser/cpdf_object.h
@@ -11,6 +11,7 @@
 #include <set>
 #include <type_traits>
 
+#include "core/fxcrt/fx_basic.h"
 #include "core/fxcrt/fx_string.h"
 #include "core/fxcrt/fx_system.h"
 
@@ -88,6 +89,9 @@ class CPDF_Object {
   virtual CPDF_String* AsString();
   virtual const CPDF_String* AsString() const;
 
+  virtual bool WriteTo(CFX_FileBufferArchive* archive,
+                       FX_FILESIZE* offset) const = 0;
+
  protected:
   friend class CPDF_Array;
   friend class CPDF_Dictionary;