Cleanup dead code in CPDF_DIBSource::LoadJpxBitmap() and friends.

core/src/fxcodec/codec/codec_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_SRC_FXCODEC_CODEC_CODEC_INT_H_
 #define CORE_SRC_FXCODEC_CODEC_CODEC_INT_H_
 
 #include <limits.h>
@@ skipping 229 matching lines @@
                       CFX_BinaryBuf* pTransformKey);
 
   FX_DWORD m_nComponents;
   std::map<CFX_ByteString, CFX_IccTransformCache*> m_MapTranform;
   std::map<CFX_ByteString, CFX_IccProfileCache*> m_MapProfile;
 };
 
 class CCodec_JpxModule : public ICodec_JpxModule {
  public:
   CCodec_JpxModule();
+  ~CCodec_JpxModule() override;
+
+  // ICodec_JpxModule:
   void* CreateDecoder(const uint8_t* src_buf,
                       FX_DWORD src_size,
-                      FX_BOOL useColorSpace = FALSE);
+                      FX_BOOL useColorSpace) override;
   void GetImageInfo(void* ctx,
-                    FX_DWORD& width,
-                    FX_DWORD& height,
-                    FX_DWORD& codestream_nComps,
-                    FX_DWORD& output_nComps);
+                    FX_DWORD* width,
+                    FX_DWORD* height,
+                    FX_DWORD* codestream_nComps,
+                    FX_DWORD* output_nComps) override;
   FX_BOOL Decode(void* ctx,
                  uint8_t* dest_data,
                  int pitch,
-                 FX_BOOL bTranslateColor,
-                 uint8_t* offsets);
-  void DestroyDecoder(void* ctx);
+                 uint8_t* offsets) override;
+  void DestroyDecoder(void* ctx) override;
 };
 
 class CPDF_Jbig2Interface : public CJBig2_Module {
  public:
   virtual void* JBig2_Malloc(FX_DWORD dwSize) {
     return FX_Alloc(uint8_t, dwSize);
   }
   virtual void* JBig2_Malloc2(FX_DWORD num, FX_DWORD dwSize) {
     if (dwSize && num >= UINT_MAX / dwSize) {
       return NULL;
@@ skipping 93 matching lines @@
 OPJ_SIZE_T opj_read_from_memory(void* p_buffer,
                                 OPJ_SIZE_T nb_bytes,
                                 void* p_user_data);
 OPJ_SIZE_T opj_write_from_memory(void* p_buffer,
                                  OPJ_SIZE_T nb_bytes,
                                  void* p_user_data);
 OPJ_OFF_T opj_skip_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data);
 OPJ_BOOL opj_seek_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data);
 
 #endif  // CORE_SRC_FXCODEC_CODEC_CODEC_INT_H_