Merge to XFA: Add type cast definitions for CPDF_Array.

core/src/fpdfapi/fpdf_edit/fpdf_edit_create.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 "../../../include/fxcrt/fx_ext.h"
 #include "../../../include/fpdfapi/fpdf_serial.h"
 #include "../../../include/fpdfapi/fpdf_parser.h"
 #include "editint.h"
@@ skipping 61 matching lines @@
         return -1;
       }
       offset += len + 6;
       break;
     }
     case PDFOBJ_ARRAY: {
       if (pFile->AppendString(FX_BSTRC("[")) < 0) {
         return -1;
       }
       offset += 1;
-      CPDF_Array* p = (CPDF_Array*)pObj;
+      const CPDF_Array* p = pObj->AsArray();
       for (FX_DWORD i = 0; i < p->GetCount(); i++) {
         CPDF_Object* pElement = p->GetElement(i);
         if (pElement->GetObjNum()) {
           if (pFile->AppendString(FX_BSTRC(" ")) < 0) {
             return -1;
           }
           if ((len = pFile->AppendDWord(pElement->GetObjNum())) < 0) {
             return -1;
           }
           if (pFile->AppendString(FX_BSTRC(" 0 R")) < 0) {
@@ skipping 1095 matching lines @@
         return -1;
       }
       m_Offset += len + 5;
       break;
     }
     case PDFOBJ_ARRAY: {
       if (m_File.AppendString(FX_BSTRC("[")) < 0) {
         return -1;
       }
       m_Offset += 1;
-      CPDF_Array* p = (CPDF_Array*)pObj;
+      const CPDF_Array* p = pObj->AsArray();
       for (FX_DWORD i = 0; i < p->GetCount(); i++) {
         CPDF_Object* pElement = p->GetElement(i);
         if (pElement->GetObjNum()) {
           if (m_File.AppendString(FX_BSTRC(" ")) < 0) {
             return -1;
           }
           if ((len = m_File.AppendDWord(pElement->GetObjNum())) < 0) {
             return -1;
           }
           if (m_File.AppendString(FX_BSTRC(" 0 R")) < 0) {
@@ skipping 919 matching lines @@
   m_bNewCrypto = FALSE;
   if (!m_bStandardSecurity) {
     return;
   }
   if (m_pEncryptDict) {
     m_pEncryptDict->Release();
     m_pEncryptDict = NULL;
   }
   m_bStandardSecurity = FALSE;
 }