Allow building of XFA branch without XFA

fpdfsdk/src/fpdfsave.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 "../../public/fpdf_edit.h"
 #include "../../public/fpdf_formfill.h"
 #include "../../public/fpdf_save.h"
 #include "../include/fsdk_define.h"
@@ skipping 42 matching lines @@
 
 void CFX_IFileWrite::Release() {
   delete this;
 }
 
 #define XFA_DATASETS 0
 #define XFA_FORMS 1
 
 FX_BOOL _SaveXFADocumentData(CPDFXFA_Document* pDocument,
                              CFX_PtrArray& fileList) {
+#ifdef PDF_ENABLE_XFA
   if (!pDocument)
     return FALSE;
   if (pDocument->GetDocType() != DOCTYPE_DYNIMIC_XFA &&
       pDocument->GetDocType() != DOCTYPE_STATIC_XFA)
     return TRUE;
   if (!CPDFXFA_App::GetInstance()->GetXFAApp())
     return TRUE;
 
   IXFA_DocView* pXFADocView = pDocument->GetXFADocView();
   if (NULL == pXFADocView)
@@ skipping 148 matching lines @@
         {
           iLast = pArray->GetCount() - 2;
           pArray->InsertAt(iLast, CPDF_String::Create("form"));
           pArray->InsertAt(iLast + 1, pData, pPDFDocument);
         }
       }
       fileList.Add(pfileWrite);
     }
   }
   pContext->Release();
+#endif  // PDF_ENABLE_XFA
+
   return TRUE;
 }
 
 FX_BOOL _SendPostSaveToXFADoc(CPDFXFA_Document* pDocument) {
   if (!pDocument)
     return FALSE;
 
   if (pDocument->GetDocType() != DOCTYPE_DYNIMIC_XFA &&
       pDocument->GetDocType() != DOCTYPE_STATIC_XFA)
     return TRUE;
@@ skipping 92 matching lines @@
                                             FPDF_DWORD flags) {
   return _FPDF_Doc_Save(document, pFileWrite, flags, FALSE, 0);
 }
 
 DLLEXPORT FPDF_BOOL STDCALL FPDF_SaveWithVersion(FPDF_DOCUMENT document,
                                                  FPDF_FILEWRITE* pFileWrite,
                                                  FPDF_DWORD flags,
                                                  int fileVersion) {
   return _FPDF_Doc_Save(document, pFileWrite, flags, TRUE, fileVersion);
 }