Clean up fx_codec_fax.cpp.

core/fxcodec/codec/ccodec_scanlinedecoder.h

 // 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
 
 #ifndef CORE_FXCODEC_CODEC_CCODEC_SCANLINEDECODER_H_
 #define CORE_FXCODEC_CODEC_CCODEC_SCANLINEDECODER_H_
 
 #include "core/fxcrt/include/fx_system.h"
 
 class IFX_Pause;
 
 class CCodec_ScanlineDecoder {
  public:
   CCodec_ScanlineDecoder();
+  CCodec_ScanlineDecoder(int nOrigWidth,
+                         int nOrigHeight,
+                         int nOutputWidth,
+                         int nOutputHeight,
+                         int nComps,
+                         int nBpc,
+                         uint32_t nPitch);
   virtual ~CCodec_ScanlineDecoder();
 
   const uint8_t* GetScanline(int line);
   FX_BOOL SkipToScanline(int line, IFX_Pause* pPause);
 
   int GetWidth() { return m_OutputWidth; }
   int GetHeight() { return m_OutputHeight; }
   int CountComps() { return m_nComps; }
   int GetBPC() { return m_bpc; }
 
@@ skipping 10 matching lines @@
   int m_OutputWidth;
   int m_OutputHeight;
   int m_nComps;
   int m_bpc;
   uint32_t m_Pitch;
   int m_NextLine;
   uint8_t* m_pLastScanline;
 };
 
 #endif  // CORE_FXCODEC_CODEC_CCODEC_SCANLINEDECODER_H_