Split up JBig2_GeneralDecoder.cpp.

core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.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 "JBig2_ArithIntDecoder.h"
 
 #include "../../../include/fxcrt/fx_memory.h"
+#include "JBig2_Define.h"
 
 CJBig2_ArithIntDecoder::CJBig2_ArithIntDecoder() {
   IAx = FX_Alloc(JBig2ArithCtx, 512);
   JBIG2_memset(IAx, 0, sizeof(JBig2ArithCtx) * 512);
 }
 CJBig2_ArithIntDecoder::~CJBig2_ArithIntDecoder() {
   FX_Free(IAx);
 }
 int CJBig2_ArithIntDecoder::decode(CJBig2_ArithDecoder* pArithDecoder,
                                    int* nResult) {
@@ skipping 75 matching lines @@
   int i;
   PREV = 1;
   for (i = 0; i < SBSYMCODELEN; i++) {
     D = pArithDecoder->DECODE(IAID + PREV);
     PREV = (PREV << 1) | D;
   }
   PREV = PREV - (1 << SBSYMCODELEN);
   *nResult = PREV;
   return 0;
 }