Remove unused IsContentUsedElsewhere()

core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "core/include/fpdfapi/fpdf_objects.h"
 
 #include <algorithm>
 
@@ skipping 133 matching lines @@
       return;
     case PDFOBJ_STRING:
       AsString()->m_String = str;
       return;
     case PDFOBJ_NAME:
       AsName()->m_Name = str;
       return;
   }
   ASSERT(FALSE);
 }
-int CPDF_Object::GetDirectType() const {
-  const CPDF_Reference* pRef = AsReference();
-  if (!pRef)
-    return m_Type;
-  return pRef->m_pObjList->GetIndirectType(pRef->GetRefObjNum());
-}
 FX_BOOL CPDF_Object::IsIdentical(CPDF_Object* pOther) const {
   if (this == pOther)
     return TRUE;
   if (!pOther)
     return FALSE;
   if (pOther->m_Type != m_Type) {
     if (IsReference() && GetDirect())
       return GetDirect()->IsIdentical(pOther);
     if (pOther->IsReference())
       return IsIdentical(pOther->GetDirect());
@@ skipping 882 matching lines @@
     return nullptr;
 
   pObj->m_ObjNum = objnum;
   m_LastObjNum = std::max(m_LastObjNum, objnum);
   if (m_IndirectObjs[objnum])
     m_IndirectObjs[objnum]->Destroy();
 
   m_IndirectObjs[objnum] = pObj;
   return pObj;
 }
-int CPDF_IndirectObjectHolder::GetIndirectType(FX_DWORD objnum) {
-  auto it = m_IndirectObjs.find(objnum);
-  if (it != m_IndirectObjs.end())
-    return it->second->GetType();
-
-  if (!m_pParser)
-    return 0;
-
-  PARSE_CONTEXT context;
-  FXSYS_memset(&context, 0, sizeof(PARSE_CONTEXT));
-  context.m_Flags = PDFPARSE_TYPEONLY;
-  return (int)(uintptr_t)m_pParser->ParseIndirectObject(this, objnum, &context);
-}
 FX_DWORD CPDF_IndirectObjectHolder::AddIndirectObject(CPDF_Object* pObj) {
   if (pObj->m_ObjNum) {
     return pObj->m_ObjNum;
   }
   m_LastObjNum++;
   m_IndirectObjs[m_LastObjNum] = pObj;
   pObj->m_ObjNum = m_LastObjNum;
   return m_LastObjNum;
 }
 void CPDF_IndirectObjectHolder::ReleaseIndirectObject(FX_DWORD objnum) {
@@ skipping 13 matching lines @@
       pObj->Destroy();
       return FALSE;
     }
     it->second->Destroy();
   }
   pObj->m_ObjNum = objnum;
   m_IndirectObjs[objnum] = pObj;
   m_LastObjNum = std::max(m_LastObjNum, objnum);
   return TRUE;
 }