Make CPDF_Array take unique_ptrs

core/fpdfapi/font/cpdf_fontencoding.cpp

 // Copyright 2016 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/fpdfapi/font/cpdf_fontencoding.h"
 
 #include "core/fpdfapi/parser/cpdf_array.h"
 #include "core/fpdfapi/parser/cpdf_dictionary.h"
@@ skipping 1685 matching lines @@
     }
     if (predefined == PDFFONT_ENCODING_MACEXPERT) {
       return new CPDF_Name(pPool->Intern("MacExpertEncoding"));
     }
     return nullptr;
   }
   const uint16_t* pStandard =
       PDF_UnicodesForPredefinedCharSet(PDFFONT_ENCODING_WINANSI);
   CPDF_Array* pDiff = new CPDF_Array;
   for (int i = 0; i < 256; i++) {
-    if (pStandard[i] == m_Unicodes[i]) {
+    if (pStandard[i] == m_Unicodes[i])
       continue;
-    }
-    pDiff->Add(new CPDF_Number(i));
-    pDiff->Add(new CPDF_Name(PDF_AdobeNameFromUnicode(m_Unicodes[i])));
+
+    pDiff->AddNew<CPDF_Number>(i);
+    pDiff->AddNew<CPDF_Name>(PDF_AdobeNameFromUnicode(m_Unicodes[i]));
   }
 
   CPDF_Dictionary* pDict = new CPDF_Dictionary(pPool);
   pDict->SetNameFor("BaseEncoding", "WinAnsiEncoding");
   pDict->SetFor("Differences", pDiff);
   return pDict;
 }
 
 uint32_t FT_CharCodeFromUnicode(int encoding, FX_WCHAR unicode) {
   switch (encoding) {
@@ skipping 88 matching lines @@
       return MacExpertEncoding[(uint8_t)charcode];
     case FXFT_ENCODING_ADOBE_LATIN_1:
       return AdobeWinAnsiEncoding[(uint8_t)charcode];
     case FXFT_ENCODING_APPLE_ROMAN:
       return MacRomanEncoding[(uint8_t)charcode];
     case PDFFONT_ENCODING_PDFDOC:
       return PDFDocEncoding[(uint8_t)charcode];
   }
   return 0;
 }