Remove external jpeg provider interface.

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 140 matching lines @@
                          uint8_t*& dest_buf,
                          FX_DWORD& dest_size);
   virtual FX_BOOL Encode(const uint8_t* src_buf,
                          FX_DWORD src_size,
                          uint8_t*& dest_buf,
                          FX_DWORD& dest_size);
 };
 
 class CCodec_JpegModule : public ICodec_JpegModule {
  public:
-  CCodec_JpegModule() : m_pExtProvider(NULL) {}
-  void SetPovider(IFX_JpegProvider* pJP) { m_pExtProvider = pJP; }
+  CCodec_JpegModule() {}
   ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf,
                                         FX_DWORD src_size,
                                         int width,
                                         int height,
                                         int nComps,
-                                        FX_BOOL ColorTransform);
+                                        FX_BOOL ColorTransform) override;
   FX_BOOL LoadInfo(const uint8_t* src_buf,
                    FX_DWORD src_size,
                    int& width,
                    int& height,
                    int& num_components,
                    int& bits_per_components,
                    FX_BOOL& color_transform,
                    uint8_t** icc_buf_ptr,
-                   FX_DWORD* icc_length);
+                   FX_DWORD* icc_length) override;
   FX_BOOL Encode(const CFX_DIBSource* pSource,
                  uint8_t*& dest_buf,
                  FX_STRSIZE& dest_size,
                  int quality,
                  const uint8_t* icc_buf,
-                 FX_DWORD icc_length);
-  virtual void* Start();
-  virtual void Finish(void* pContext);
-  virtual void Input(void* pContext, const uint8_t* src_buf, FX_DWORD src_size);
-  virtual int ReadHeader(void* pContext, int* width, int* height, int* nComps);
-  virtual int StartScanline(void* pContext, int down_scale);
-  virtual FX_BOOL ReadScanline(void* pContext, uint8_t* dest_buf);
-  virtual FX_DWORD GetAvailInput(void* pContext, uint8_t** avail_buf_ptr);
-
- protected:
-  IFX_JpegProvider* m_pExtProvider;
+                 FX_DWORD icc_length) override;
+  void* Start() override;
+  void Finish(void* pContext) override;
+  void Input(void* pContext,
+             const uint8_t* src_buf,
+             FX_DWORD src_size) override;
+  int ReadHeader(void* pContext, int* width, int* height, int* nComps) override;
+  int StartScanline(void* pContext, int down_scale) override;
+  FX_BOOL ReadScanline(void* pContext, uint8_t* dest_buf) override;
+  FX_DWORD GetAvailInput(void* pContext, uint8_t** avail_buf_ptr) override;
 };
 class CCodec_IccModule : public ICodec_IccModule {
  public:
   virtual IccCS GetProfileCS(const uint8_t* pProfileData,
                              unsigned int dwProfileSize);
   virtual IccCS GetProfileCS(IFX_FileRead* pFile);
   virtual void* CreateTransform(
       ICodec_IccModule::IccParam* pInputParam,
       ICodec_IccModule::IccParam* pOutputParam,
       ICodec_IccModule::IccParam* pProofParam = NULL,
@@ skipping 114 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_