Banish CFX_PrivateData to the XFA side

core/fxcrt/fx_basic_util.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 "core/fxcrt/include/fx_basic.h"
 #include "core/fxcrt/include/fx_ext.h"
 
 #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
 #include <dirent.h>
 #include <sys/types.h>
 #else
 #include <direct.h>
 #endif
 
 #include <algorithm>
 #include <cctype>
 
+#ifdef PDF_ENABLE_XFA
 CFX_PrivateData::CFX_PrivateData() {}
 
 CFX_PrivateData::~CFX_PrivateData() {
   ClearAll();
 }
 void FX_PRIVATEDATA::FreeData() {
   if (!m_pData) {
     return;
   }
   if (m_bSelfDestruct) {
@@ skipping 58 matching lines @@
   return NULL;
 }
 void CFX_PrivateData::ClearAll() {
   FX_PRIVATEDATA* pList = m_DataList.GetData();
   int count = m_DataList.GetSize();
   for (int i = 0; i < count; i++) {
     pList[i].FreeData();
   }
   m_DataList.RemoveAll();
 }
+#endif  // PDF_ENABLE_XFA
 
 void FX_atonum(const CFX_ByteStringC& strc, FX_BOOL& bInteger, void* pData) {
   if (strc.Find('.') == -1) {
     bInteger = TRUE;
     int cc = 0;
     pdfium::base::CheckedNumeric<int> integer = 0;
     FX_STRSIZE len = strc.GetLength();
     bool bNegative = false;
     if (strc[0] == '+') {
       cc++;
@@ skipping 280 matching lines @@
     dstShift -= 8;
     result |= *dataPtr++ << dstShift;
   }
   if (dstShift > 0) {
     bitShift = 8 - dstShift;
     bitMask = (1 << dstShift) - 1;
     result |= *dataPtr++ >> bitShift & bitMask;
   }
   return result;
 }