Return unique_ptrs from CFX_DIBitmap::Clone().

core/fpdfapi/render/render_int.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_FPDFAPI_RENDER_RENDER_INT_H_
 #define CORE_FPDFAPI_RENDER_RENDER_INT_H_
 
 #include <map>
@@ skipping 67 matching lines @@
   uint8_t* GetBuffer() const override;
   const uint8_t* GetScanline(int line) const override;
   void DownSampleScanline(int line,
                           uint8_t* dest_scan,
                           int dest_bpp,
                           int dest_width,
                           bool bFlipX,
                           int clip_left,
                           int clip_width) const override;
 
-  CFX_DIBitmap* GetBitmap() const;
-  void ReleaseBitmap(CFX_DIBitmap* pBitmap) const;
   uint32_t GetMatteColor() const { return m_MatteColor; }
 
   int StartLoadDIBSource(CPDF_Document* pDoc,
                          const CPDF_Stream* pStream,
                          bool bHasMask,
                          CPDF_Dictionary* pFormResources,
                          CPDF_Dictionary* pPageResources,
                          bool bStdCS = false,
                          uint32_t GroupFamily = 0,
                          bool bLoadMask = false);
@@ skipping 78 matching lines @@
 CCodec_ScanlineDecoder* FPDFAPI_CreateFlateDecoder(
     const uint8_t* src_buf,
     uint32_t src_size,
     int width,
     int height,
     int nComps,
     int bpc,
     const CPDF_Dictionary* pParams);
 
 #endif  // CORE_FPDFAPI_RENDER_RENDER_INT_H_