Create API for adding content marks and setting their params.chromium/3488

This CL creates the following new functions in the public API:
- FPDFPageObj_AddMark
- FPDFPageObjMark_SetIntParam
- FPDFPageObjMark_SetStringParam

Bug: pdfium:1037
Change-Id: Icabf3fdd8e8153b9156bab807a3708d38a9365d8
Reviewed-on: https://pdfium-review.googlesource.com/37330
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/core/fpdfapi/page/cpdf_contentmarkitem.h b/core/fpdfapi/page/cpdf_contentmarkitem.h
index 72548cef9c..343db9d1a6 100644
--- a/core/fpdfapi/page/cpdf_contentmarkitem.h
+++ b/core/fpdfapi/page/cpdf_contentmarkitem.h
@@ -27,17 +27,18 @@ class CPDF_ContentMarkItem : public Retainable {
   ByteString GetName() const { return m_MarkName; }
   ParamType GetParamType() const { return m_ParamType; }
   const CPDF_Dictionary* GetParam() const;
+  CPDF_Dictionary* GetParam();
   bool HasMCID() const;
 
   void SetName(const ByteString& name) { m_MarkName = name; }
   void SetDirectDict(std::unique_ptr<CPDF_Dictionary> pDict);
-  void SetPropertiesDict(const CPDF_Dictionary* pDict);
+  void SetPropertiesDict(CPDF_Dictionary* pDict);
 
  private:
   ByteString m_MarkName;
   ParamType m_ParamType = None;
-  UnownedPtr<const CPDF_Dictionary> m_pPropertiesDict;
-  std::unique_ptr<const CPDF_Dictionary> m_pDirectDict;
+  UnownedPtr<CPDF_Dictionary> m_pPropertiesDict;
+  std::unique_ptr<CPDF_Dictionary> m_pDirectDict;
 };
 
 #endif  // CORE_FPDFAPI_PAGE_CPDF_CONTENTMARKITEM_H_