Move parser out of IndirectObjectHolder

core/fpdfapi/fpdf_parser/cpdf_indirect_object_holder.cpp

Index: core/fpdfapi/fpdf_parser/cpdf_indirect_object_holder.cpp
diff --git a/core/fpdfapi/fpdf_parser/cpdf_indirect_object_holder.cpp b/core/fpdfapi/fpdf_parser/cpdf_indirect_object_holder.cpp
index d00b4a79618410f26a8c3d9932eab2978369c03e..711b3da6144c38af79bc5426007edd28cc725afc 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_indirect_object_holder.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_indirect_object_holder.cpp
@@ -9,11 +9,7 @@
 #include "core/fpdfapi/fpdf_parser/include/cpdf_object.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_parser.h"
 
-CPDF_IndirectObjectHolder::CPDF_IndirectObjectHolder(CPDF_Parser* pParser)
-    : m_pParser(pParser), m_LastObjNum(0) {
-  if (pParser)
-    m_LastObjNum = m_pParser->GetLastObjNum();
-}
+CPDF_IndirectObjectHolder::CPDF_IndirectObjectHolder() : m_LastObjNum(0) {}
 
 CPDF_IndirectObjectHolder::~CPDF_IndirectObjectHolder() {
   for (const auto& pair : m_IndirectObjs)
@@ -35,10 +31,7 @@ CPDF_Object* CPDF_IndirectObjectHolder::GetOrParseIndirectObject(
   if (pObj)
     return pObj->GetObjNum() != CPDF_Object::kInvalidObjNum ? pObj : nullptr;
 
-  if (!m_pParser)
-    return nullptr;
-
-  pObj = m_pParser->ParseIndirectObject(this, objnum);
+  pObj = ParseIndirectObject(objnum);
   if (!pObj)
     return nullptr;
 
@@ -51,6 +44,10 @@ CPDF_Object* CPDF_IndirectObjectHolder::GetOrParseIndirectObject(
   return pObj;
 }
 
+CPDF_Object* CPDF_IndirectObjectHolder::ParseIndirectObject(uint32_t objnum) {
+  return nullptr;
+}
+
 uint32_t CPDF_IndirectObjectHolder::AddIndirectObject(CPDF_Object* pObj) {
   if (pObj->m_ObjNum)
     return pObj->m_ObjNum;