Remove custom memory manager

core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.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 "../../../include/fpdfapi/fpdf_page.h"
 #include "../../../include/fpdfapi/fpdf_module.h"
 #include "../../../include/fxcodec/fx_codec.h"
 #include "pageint.h"
@@ skipping 944 matching lines @@
         m_pSingleStream = FX_NEW CPDF_StreamAcc;
         m_pSingleStream->LoadAllData((CPDF_Stream*)pContent, FALSE);
     } else if (pContent->GetType() == PDFOBJ_ARRAY) {
         CPDF_Array* pArray = (CPDF_Array*)pContent;
         m_nStreams = pArray->GetCount();
         if (m_nStreams == 0) {
             m_Status = Done;
             return;
         }
         m_pStreamArray = FX_Alloc(CPDF_StreamAcc*, m_nStreams);
-        FXSYS_memset32(m_pStreamArray, 0, sizeof(CPDF_StreamAcc*) * m_nStreams);
     } else {
         m_Status = Done;
         return;
     }
 }
 void CPDF_ContentParser::Start(CPDF_Form* pForm, CPDF_AllStates* pGraphicStates,
                                CFX_AffineMatrix* pParentMatrix, CPDF_Type3Char* pType3Char, CPDF_ParseOptions* pOptions, int level)
 {
     m_pType3Char = pType3Char;
     m_pObjects = pForm;
@@ skipping 161 matching lines @@
         return 100;
     }
     if (m_InternalStage == PAGEPARSE_STAGE_GETCONTENT) {
         return 10;
     }
     if (m_InternalStage == PAGEPARSE_STAGE_CHECKCLIP) {
         return 90;
     }
     return 10 + 80 * m_CurrentOffset / m_Size;
 }