IndirectObjectHolder API updates

core/fpdfapi/fpdf_parser/cpdf_parser.cpp

Index: core/fpdfapi/fpdf_parser/cpdf_parser.cpp
diff --git a/core/fpdfapi/fpdf_parser/cpdf_parser.cpp b/core/fpdfapi/fpdf_parser/cpdf_parser.cpp
index b2f1a4be3f7c3323d1409d320f69850b20a59063..26adf7bb137eaf350de286d832569f856bd56235 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_parser.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_parser.cpp
@@ -267,7 +267,7 @@ CPDF_Parser::Error CPDF_Parser::SetEncryptHandler() {
     if (CPDF_Dictionary* pEncryptDict = pEncryptObj->AsDictionary()) {
       SetEncryptDictionary(pEncryptDict);
     } else if (CPDF_Reference* pRef = pEncryptObj->AsReference()) {
-      pEncryptObj = m_pDocument->GetIndirectObject(pRef->GetRefObjNum());
+      pEncryptObj = m_pDocument->GetOrParseIndirectObject(pRef->GetRefObjNum());
       if (pEncryptObj)
         SetEncryptDictionary(pEncryptObj->GetDict());
     }
@@ -986,8 +986,10 @@ FX_BOOL CPDF_Parser::LoadCrossRefV5(FX_FILESIZE* pos, FX_BOOL bMainXRef) {
         pObject->Release();
       return FALSE;
     }
-    if (!m_pDocument->InsertIndirectObject(pObject->m_ObjNum, pObject))
+    if (!m_pDocument->ReplaceIndirectObjectIfHigherGeneration(pObject->m_ObjNum,
+                                                              pObject)) {
       return FALSE;
+    }
   }
 
   CPDF_Stream* pStream = pObject->AsStream();
@@ -1230,7 +1232,8 @@ CPDF_StreamAcc* CPDF_Parser::GetObjectStream(uint32_t objnum) {
   if (!m_pDocument)
     return nullptr;
 
-  const CPDF_Stream* pStream = ToStream(m_pDocument->GetIndirectObject(objnum));
+  const CPDF_Stream* pStream =
+      ToStream(m_pDocument->GetOrParseIndirectObject(objnum));
   if (!pStream)
     return nullptr;