Remove CPDF_Object::Release() in favor of direct delete

core/fpdfapi/page/cpdf_contentmarkitem.h

Index: core/fpdfapi/page/cpdf_contentmarkitem.h
diff --git a/core/fpdfapi/page/cpdf_contentmarkitem.h b/core/fpdfapi/page/cpdf_contentmarkitem.h
index f1f06c3a381cd258c5bea3e1860d6f38ab39b2b3..ed2737111be7ce595c1347aa3fd16685b2ab74a9 100644
--- a/core/fpdfapi/page/cpdf_contentmarkitem.h
+++ b/core/fpdfapi/page/cpdf_contentmarkitem.h
@@ -31,16 +31,14 @@ class CPDF_ContentMarkItem {
   bool HasMCID() const;
 
   void SetName(const CFX_ByteString& name) { m_MarkName = name; }
-  void SetDirectDict(
-      std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>> pDict);
+  void SetDirectDict(std::unique_ptr<CPDF_Dictionary> pDict);
   void SetPropertiesDict(CPDF_Dictionary* pDict);
 
  private:
   CFX_ByteString m_MarkName;
   ParamType m_ParamType;
   CPDF_Dictionary* m_pPropertiesDict;  // not owned.
-  std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>>
-      m_pDirectDict;
+  std::unique_ptr<CPDF_Dictionary> m_pDirectDict;
 };
 
 #endif  // CORE_FPDFAPI_PAGE_CPDF_CONTENTMARKITEM_H_