Make code compile with clang_use_chrome_plugin (part IV)

core/fxcodec/codec/include/ccodec_progressivedecoder.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_FXCODEC_CODEC_INCLUDE_CCODEC_PROGRESSIVEDECODER_H_
 #define CORE_FXCODEC_CODEC_INCLUDE_CCODEC_PROGRESSIVEDECODER_H_
 
 #include <vector>
@@ skipping 58 matching lines @@
   FXCODEC_STATUS ContinueDecode(IFX_Pause* pPause = nullptr);
 
   struct PixelWeight {
     int m_SrcStart;
     int m_SrcEnd;
     int m_Weights[1];
   };
 
   class CFXCODEC_WeightTable {
    public:
-    CFXCODEC_WeightTable() {}
-    ~CFXCODEC_WeightTable() {}
+    CFXCODEC_WeightTable();
+    ~CFXCODEC_WeightTable();
 
     void Calc(int dest_len,
               int dest_min,
               int dest_max,
               int src_len,
               int src_min,
               int src_max,
               FX_BOOL bInterpol);
     PixelWeight* GetPixelWeight(int pixel) {
       return reinterpret_cast<PixelWeight*>(m_pWeightTables.data() +
                                             (pixel - m_DestMin) * m_ItemSize);
     }
 
     int m_DestMin;
     int m_ItemSize;
     std::vector<uint8_t> m_pWeightTables;
   };
 
   class CFXCODEC_HorzTable {
    public:
-    CFXCODEC_HorzTable() {}
-    ~CFXCODEC_HorzTable() {}
+    CFXCODEC_HorzTable();
+    ~CFXCODEC_HorzTable();
 
     void Calc(int dest_len, int src_len, FX_BOOL bInterpol);
     PixelWeight* GetPixelWeight(int pixel) {
       return reinterpret_cast<PixelWeight*>(m_pWeightTables.data() +
                                             pixel * m_ItemSize);
     }
 
     int m_ItemSize;
     std::vector<uint8_t> m_pWeightTables;
   };
 
   class CFXCODEC_VertTable {
    public:
-    CFXCODEC_VertTable() {}
-    ~CFXCODEC_VertTable() {}
+    CFXCODEC_VertTable();
+    ~CFXCODEC_VertTable();
+
     void Calc(int dest_len, int src_len);
     PixelWeight* GetPixelWeight(int pixel) {
       return reinterpret_cast<PixelWeight*>(m_pWeightTables.data() +
                                             pixel * m_ItemSize);
     }
     int m_ItemSize;
     std::vector<uint8_t> m_pWeightTables;
   };
 
   IFX_FileRead* m_pFile;
@@ skipping 100 matching lines @@
                           FXCODEC_STATUS& err_status);
   void GifDoubleLineResampleVert(CFX_DIBitmap* pDeviceBitmap,
                                  double scale_y,
                                  int des_row);
   FX_BOOL BmpReadMoreData(CCodec_BmpModule* pBmpModule,
                           FXCODEC_STATUS& err_status);
   void ResampleVertBT(CFX_DIBitmap* pDeviceBitmap, double scale_y, int des_row);
 };
 
 #endif  // CORE_FXCODEC_CODEC_INCLUDE_CCODEC_PROGRESSIVEDECODER_H_