Add type cast definitions for CPDF_Array.

core/src/fpdfapi/fpdf_page/fpdf_page_parser.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/fpdfapi/fpdf_page.h"
 #include "../../../include/fpdfapi/fpdf_module.h"
 #include "../../../include/fpdfapi/fpdf_serial.h"
 #include "pageint.h"
@@ skipping 496 matching lines @@
           if (!fullname.IsEmpty()) {
             pDict->SetAtName(key, fullname);
           }
         } else {
           _PDF_ReplaceAbbr(value);
         }
       }
       break;
     }
     case PDFOBJ_ARRAY: {
-      CPDF_Array* pArray = (CPDF_Array*)pObj;
+      CPDF_Array* pArray = pObj->AsArray();
       for (FX_DWORD i = 0; i < pArray->GetCount(); i++) {
         CPDF_Object* pElement = pArray->GetElement(i);
         if (pElement->IsName()) {
           CFX_ByteString name = pElement->GetString();
           CFX_ByteStringC fullname = _PDF_FindFullName(
               _PDF_InlineValueAbbr,
               sizeof _PDF_InlineValueAbbr / sizeof(_FX_BSTR), name);
           if (!fullname.IsEmpty()) {
             pArray->SetAt(i, CPDF_Name::Create(fullname));
           }
@@ skipping 42 matching lines @@
           if (!abbrName.IsEmpty()) {
             pDict->SetAtName(key, abbrName);
           }
         } else {
           _PDF_ReplaceFull(value);
         }
       }
       break;
     }
     case PDFOBJ_ARRAY: {
-      CPDF_Array* pArray = (CPDF_Array*)pObj;
+      CPDF_Array* pArray = pObj->AsArray();
       for (FX_DWORD i = 0; i < pArray->GetCount(); i++) {
         CPDF_Object* pElement = pArray->GetElement(i);
         if (pElement->IsName()) {
           CFX_ByteString name = pElement->GetString();
           CFX_ByteStringC abbrName = _PDF_FindAbbrName(
               _PDF_InlineValueAbbr,
               sizeof _PDF_InlineValueAbbr / sizeof(_FX_BSTR), name);
           if (!abbrName.IsEmpty()) {
             pArray->SetAt(i, CPDF_Name::Create(abbrName));
           }
@@ skipping 996 matching lines @@
         buf.AppendChar((char)code);
       }
       bFirst = !bFirst;
     }
   }
   if (!bFirst) {
     buf.AppendChar((char)code);
   }
   return buf.GetByteString();
 }