Use CFX_MaybeOwned<> in fpdf_edit_create.cpp

core/fpdfapi/parser/cpdf_stream_acc.cpp

 // Copyright 2016 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/fpdfapi/parser/cpdf_stream_acc.h"
 
 #include "core/fpdfapi/parser/fpdf_parser_decode.h"
 
@@ skipping 56 matching lines @@
     return m_pData;
   return m_pStream ? m_pStream->GetRawData() : nullptr;
 }
 
 uint32_t CPDF_StreamAcc::GetSize() const {
   if (m_bNewBuf)
     return m_dwSize;
   return m_pStream ? m_pStream->GetRawSize() : 0;
 }
 
-uint8_t* CPDF_StreamAcc::DetachData() {
+std::unique_ptr<uint8_t, FxFreeDeleter> CPDF_StreamAcc::DetachData() {
   if (m_bNewBuf) {
-    uint8_t* p = m_pData;
+    std::unique_ptr<uint8_t, FxFreeDeleter> p(m_pData);
     m_pData = nullptr;
     m_dwSize = 0;
     return p;
   }
-  uint8_t* p = FX_Alloc(uint8_t, m_dwSize);
-  FXSYS_memcpy(p, m_pData, m_dwSize);
+  std::unique_ptr<uint8_t, FxFreeDeleter> p(FX_Alloc(uint8_t, m_dwSize));
+  FXSYS_memcpy(p.get(), m_pData, m_dwSize);
   return p;
 }