Store property name for marked content with an indirect dict.

The name of the property is now stored in the CPDF_ContentMarkItem,
which will be needed to properly write back these content marks
after a change in the stream.

Bug: pdfium:1118
Change-Id: I1296f488b35ee0684efa33d17400ed22a88383a2
Reviewed-on: https://pdfium-review.googlesource.com/37370
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>

1 files changed, 5 insertions, 2 deletions

diff --git a/core/fpdfapi/page/cpdf_contentmarkitem.h b/core/fpdfapi/page/cpdf_contentmarkitem.h
index 6d2310e261..435aef4b10 100644
--- a/core/fpdfapi/page/cpdf_contentmarkitem.h
+++ b/core/fpdfapi/page/cpdf_contentmarkitem.h
@@ -24,19 +24,22 @@ class CPDF_ContentMarkItem : public Retainable {
   explicit CPDF_ContentMarkItem(ByteString name);
   ~CPDF_ContentMarkItem() override;
 
-  ByteString GetName() const { return m_MarkName; }
+  const ByteString& GetName() const { return m_MarkName; }
   ParamType GetParamType() const { return m_ParamType; }
   const CPDF_Dictionary* GetParam() const;
   CPDF_Dictionary* GetParam();
+  const ByteString& GetPropertyName() const { return m_PropertyName; }
   bool HasMCID() const;
 
   void SetDirectDict(std::unique_ptr<CPDF_Dictionary> pDict);
-  void SetPropertiesDict(CPDF_Dictionary* pDict);
+  void SetPropertiesDict(CPDF_Dictionary* pDict,
+                         const ByteString& property_name);
 
  private:
   ByteString m_MarkName;
   ParamType m_ParamType = None;
   UnownedPtr<CPDF_Dictionary> m_pPropertiesDict;
+  ByteString m_PropertyName;
   std::unique_ptr<CPDF_Dictionary> m_pDirectDict;
 };