Revert of Move parser pointer to CPDF_Document

core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp

Index: core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp
diff --git a/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp b/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp
index 58b69257addc8628cef46f8aa600f2cadf3b779b..94795fd60e284b09109ef5f37f8ce7c2a80227a0 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_data_avail.cpp
@@ -176,7 +176,7 @@
         } else if (!pdfium::ContainsKey(m_ObjectSet, dwNum)) {
           m_ObjectSet.insert(dwNum);
           CPDF_Object* pReferred =
-              m_pDocument->GetOrParseIndirectObject(pRef->GetRefObjNum());
+              m_pDocument->GetIndirectObject(pRef->GetRefObjNum());
           if (pReferred)
             new_obj_array.Add(pReferred);
         }
@@ -1788,10 +1788,8 @@
       if (!pPageDict)
         return nullptr;
 
-      if (!m_pDocument->ReplaceIndirectObjectIfHigherGeneration(dwObjNum,
-                                                                pPageDict)) {
+      if (!m_pDocument->InsertIndirectObject(dwObjNum, pPageDict))
         return nullptr;
-      }
       return pPageDict->GetDict();
     }
   }