Remove some dead code from CCodec_Jbig2Module. Variable was only ever set to false.

core/src/fxcodec/codec/fx_codec_jbig.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 "../../../include/fxcodec/fx_codec.h"
 #include "codec_int.h"
 
 CCodec_Jbig2Context::CCodec_Jbig2Context() {
@@ skipping 33 matching lines @@
   CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context;
   m_pJbig2Context->m_width = width;
   m_pJbig2Context->m_height = height;
   m_pJbig2Context->m_src_buf = (unsigned char*)src_buf;
   m_pJbig2Context->m_src_size = src_size;
   m_pJbig2Context->m_global_data = global_data;
   m_pJbig2Context->m_global_size = global_size;
   m_pJbig2Context->m_dest_buf = dest_buf;
   m_pJbig2Context->m_dest_pitch = dest_pitch;
   m_pJbig2Context->m_pPause = pPause;
-  m_pJbig2Context->m_bFileReader = FALSE;
   FXSYS_memset(dest_buf, 0, height * dest_pitch);
   m_pJbig2Context->m_pContext = CJBig2_Context::CreateContext(
       global_data, global_size, src_buf, src_size, &m_SymbolDictCache, pPause);
   if (!m_pJbig2Context->m_pContext) {
     return FXCODEC_STATUS_ERROR;
   }
   int ret = m_pJbig2Context->m_pContext->getFirstPage(dest_buf, width, height,
                                                       dest_pitch, pPause);
   if (m_pJbig2Context->m_pContext->GetProcessingStatus() ==
       FXCODEC_STATUS_DECODE_FINISH) {
@@ skipping 12 matching lines @@
   return m_pJbig2Context->m_pContext->GetProcessingStatus();
 }
 FXCODEC_STATUS CCodec_Jbig2Module::ContinueDecode(void* pJbig2Context,
                                                   IFX_Pause* pPause) {
   CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context;
   int ret = m_pJbig2Context->m_pContext->Continue(pPause);
   if (m_pJbig2Context->m_pContext->GetProcessingStatus() !=
       FXCODEC_STATUS_DECODE_FINISH) {
     return m_pJbig2Context->m_pContext->GetProcessingStatus();
   }
-  if (m_pJbig2Context->m_bFileReader) {
-    CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext);
-    m_pJbig2Context->m_pContext = NULL;
-    if (ret != JBIG2_SUCCESS) {
-      FX_Free(m_pJbig2Context->m_src_buf);
-      m_pJbig2Context->m_src_buf = NULL;
-      return FXCODEC_STATUS_ERROR;
-    }
-    delete m_pJbig2Context->m_dest_image;
-    FX_Free(m_pJbig2Context->m_src_buf);
-    return FXCODEC_STATUS_DECODE_FINISH;
-  }
   CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext);
   m_pJbig2Context->m_pContext = NULL;
   if (ret != JBIG2_SUCCESS) {
     return FXCODEC_STATUS_ERROR;
   }
   int dword_size =
       m_pJbig2Context->m_height * m_pJbig2Context->m_dest_pitch / 4;
   FX_DWORD* dword_buf = (FX_DWORD*)m_pJbig2Context->m_dest_buf;
   for (int i = 0; i < dword_size; i++) {
     dword_buf[i] = ~dword_buf[i];
   }
   return FXCODEC_STATUS_DECODE_FINISH;
 }