Get rid of CPDF_Object::GetArray().

fpdfsdk/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_save.h"
 
 #include <vector>
 
@@ skipping 89 matching lines @@
     return false;
 
   CPDF_Dictionary* pAcroForm = pRoot->GetDictBy("AcroForm");
   if (!pAcroForm)
     return false;
 
   CPDF_Object* pXFA = pAcroForm->GetObjectBy("XFA");
   if (!pXFA)
     return true;
 
-  if (!pXFA->IsArray())
-    return false;
-
-  CPDF_Array* pArray = pXFA->GetArray();
+  CPDF_Array* pArray = pXFA->AsArray();
   if (!pArray)
     return false;
 
   int size = pArray->GetCount();
   int iFormIndex = -1;
   int iDataSetsIndex = -1;
   int iTemplate = -1;
   int iLast = size - 2;
   for (int i = 0; i < size - 1; i++) {
     CPDF_Object* pPDFObj = pArray->GetObjectAt(i);
@@ skipping 187 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);
 }