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

R=thestig@chromium.org

BUG=

Review URL: https://codereview.chromium.org/1393153002 .
diff --git a/core/src/fxcodec/codec/codec_int.h b/core/src/fxcodec/codec/codec_int.h
index 682b5d0..10d0c3f 100644
--- a/core/src/fxcodec/codec/codec_int.h
+++ b/core/src/fxcodec/codec/codec_int.h
@@ -280,7 +280,6 @@
   FX_DWORD m_global_size;
   uint8_t* m_dest_buf;
   FX_DWORD m_dest_pitch;
-  FX_BOOL m_bFileReader;
   IFX_Pause* m_pPause;
   CJBig2_Context* m_pContext;
   CJBig2_Image* m_dest_image;
diff --git a/core/src/fxcodec/codec/fx_codec_jbig.cpp b/core/src/fxcodec/codec/fx_codec_jbig.cpp
index 2cdff9f..18a6657 100644
--- a/core/src/fxcodec/codec/fx_codec_jbig.cpp
+++ b/core/src/fxcodec/codec/fx_codec_jbig.cpp
@@ -51,7 +51,6 @@
   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);
@@ -84,18 +83,6 @@
       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) {