Implement CPDF_Object::MakeReference method.chromium/3456

Change-Id: I153747ef587a184eaef58ff09dbf8f214c9ddfb3
Reviewed-on: https://pdfium-review.googlesource.com/17230
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Art Snake <art-snake@yandex-team.ru>

1 files changed, 6 insertions, 0 deletions

diff --git a/core/fpdfapi/parser/cpdf_object.h b/core/fpdfapi/parser/cpdf_object.h
index 21eec62b0d..5ff028e9e0 100644
--- a/core/fpdfapi/parser/cpdf_object.h
+++ b/core/fpdfapi/parser/cpdf_object.h
@@ -17,6 +17,7 @@
 class CPDF_Array;
 class CPDF_Boolean;
 class CPDF_Dictionary;
+class CPDF_IndirectObjectHolder;
 class CPDF_Name;
 class CPDF_Null;
 class CPDF_Number;
@@ -106,6 +107,11 @@ class CPDF_Object {
       bool bDirect,
       std::set<const CPDF_Object*>* pVisited) const;
 
+  // Return a reference to itself.
+  // The object must be direct (!IsInlined).
+  virtual std::unique_ptr<CPDF_Object> MakeReference(
+      CPDF_IndirectObjectHolder* holder) const;
+
  protected:
   CPDF_Object() : m_ObjNum(0), m_GenNum(0) {}