Replace some calls to Release() with direct delete, part 1.

core/fxcodec/codec/fx_codec_jpeg.cpp

 // 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
 
 #include <setjmp.h>
 
 #include "core/fxcodec/codec/codec_int.h"
 #include "core/fxcodec/include/fx_codec.h"
@@ skipping 300 matching lines @@
  public:
   CCodec_JpegDecoder();
   ~CCodec_JpegDecoder() override;
 
   FX_BOOL Create(const uint8_t* src_buf,
                  uint32_t src_size,
                  int width,
                  int height,
                  int nComps,
                  FX_BOOL ColorTransform);
-  void Destroy() { delete this; }
 
   // CCodec_ScanlineDecoder
   FX_BOOL v_Rewind() override;
   uint8_t* v_GetNextLine() override;
   uint32_t GetSrcOffset() override;
 
   FX_BOOL InitDecode();
 
   jmp_buf m_JmpBuf;
   struct jpeg_decompress_struct cinfo;
@@ skipping 316 matching lines @@
 uint32_t CCodec_JpegModule::GetAvailInput(FXJPEG_Context* ctx,
                                           uint8_t** avail_buf_ptr) {
   if (avail_buf_ptr) {
     *avail_buf_ptr = NULL;
     if (ctx->m_SrcMgr.bytes_in_buffer > 0) {
       *avail_buf_ptr = (uint8_t*)ctx->m_SrcMgr.next_input_byte;
     }
   }
   return (uint32_t)ctx->m_SrcMgr.bytes_in_buffer;
 }