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

core/fpdfapi/parser/cpdf_document_unittest.cpp

Index: core/fpdfapi/parser/cpdf_document_unittest.cpp
diff --git a/core/fpdfapi/parser/cpdf_document_unittest.cpp b/core/fpdfapi/parser/cpdf_document_unittest.cpp
index c09665b716a98d2693329661fbf00d5e0ea90b21..9336626f45989be83afd6f10b4dfd305df8f35f4 100644
--- a/core/fpdfapi/parser/cpdf_document_unittest.cpp
+++ b/core/fpdfapi/parser/cpdf_document_unittest.cpp
@@ -76,7 +76,8 @@
   }
 
  private:
-  std::unique_ptr<CPDF_Dictionary> m_pOwnedRootDict;
+  std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>>
+      m_pOwnedRootDict;
 };
 }  // namespace
 
@@ -120,7 +121,7 @@
   // can be not exists in this case.
   // (case, when hint table is used to page check in CPDF_DataAvail).
   CPDF_Document document(pdfium::MakeUnique<CPDF_Parser>());
-  std::unique_ptr<CPDF_Dictionary> dict(new CPDF_Dictionary());
+  ScopedDictionary dict(new CPDF_Dictionary());
   const int page_count = 100;
   dict->SetIntegerFor("N", page_count);
   document.LoadLinearizedDoc(dict.get());