Return unique_ptr from CFX_BinaryBuf::DetachBuffer()

core/fxcrt/fx_basic.h

 // 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
 
 #ifndef CORE_FXCRT_FX_BASIC_H_
 #define CORE_FXCRT_FX_BASIC_H_
 
 #include <algorithm>
@@ skipping 23 matching lines @@
 
   void AppendByte(uint8_t byte) {
     ExpandBuf(1);
     m_pBuffer.get()[m_DataSize++] = byte;
   }
 
   void InsertBlock(FX_STRSIZE pos, const void* pBuf, FX_STRSIZE size);
   void Delete(int start_index, int count);
 
   // Releases ownership of |m_pBuffer| and returns it.
-  uint8_t* DetachBuffer();
+  std::unique_ptr<uint8_t, FxFreeDeleter> DetachBuffer();
 
  protected:
   void ExpandBuf(FX_STRSIZE size);
 
   FX_STRSIZE m_AllocStep;
   FX_STRSIZE m_AllocSize;
   FX_STRSIZE m_DataSize;
   std::unique_ptr<uint8_t, FxFreeDeleter> m_pBuffer;
 };
 
@@ skipping 684 matching lines @@
   FX_FLOAT e;
   FX_FLOAT f;
   FX_FLOAT g;
   FX_FLOAT h;
   FX_FLOAT i;
 };
 
 uint32_t GetBits32(const uint8_t* pData, int bitpos, int nbits);
 
 #endif  // CORE_FXCRT_FX_BASIC_H_