Revert of Move parser pointer to CPDF_Document

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 ffd3f79a621955629271fa7935d667a109021d72..b2f1a4be3f7c3323d1409d320f69850b20a59063 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_parser.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_parser.cpp
@@ -267,7 +267,7 @@
     if (CPDF_Dictionary* pEncryptDict = pEncryptObj->AsDictionary()) {
       SetEncryptDictionary(pEncryptDict);
     } else if (CPDF_Reference* pRef = pEncryptObj->AsReference()) {
-      pEncryptObj = m_pDocument->GetOrParseIndirectObject(pRef->GetRefObjNum());
+      pEncryptObj = m_pDocument->GetIndirectObject(pRef->GetRefObjNum());
       if (pEncryptObj)
         SetEncryptDictionary(pEncryptObj->GetDict());
     }
@@ -982,16 +982,12 @@
   if (m_pDocument) {
     CPDF_Dictionary* pRootDict = m_pDocument->GetRoot();
     if (pRootDict && pRootDict->GetObjNum() == pObject->m_ObjNum) {
-      // If |pObject| has an objnum assigned then this will leak as Release()
-      // will early exit.
       if (pObject->IsStream())
         pObject->Release();
       return FALSE;
     }
-    if (!m_pDocument->ReplaceIndirectObjectIfHigherGeneration(pObject->m_ObjNum,
-                                                              pObject)) {
+    if (!m_pDocument->InsertIndirectObject(pObject->m_ObjNum, pObject))
       return FALSE;
-    }
   }
 
   CPDF_Stream* pStream = pObject->AsStream();
@@ -1234,8 +1230,7 @@
   if (!m_pDocument)
     return nullptr;
 
-  const CPDF_Stream* pStream =
-      ToStream(m_pDocument->GetOrParseIndirectObject(objnum));
+  const CPDF_Stream* pStream = ToStream(m_pDocument->GetIndirectObject(objnum));
   if (!pStream)
     return nullptr;