Make CPDF_Array take unique_ptrs

core/fpdfapi/page/cpdf_streamparser.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/page/pageint.h"
 
 #include <limits.h>
 
@@ skipping 367 matching lines @@
   if (first_char == '[') {
     if ((!bAllowNestedArray && dwInArrayLevel) ||
         dwInArrayLevel > kMaxNestedArrayLevel) {
       return nullptr;
     }
 
     CPDF_Array* pArray = new CPDF_Array;
     while (1) {
       CPDF_Object* pObj = ReadNextObject(bAllowNestedArray, dwInArrayLevel + 1);
       if (pObj) {
-        pArray->Add(pObj);
+        pArray->Add(pdfium::WrapUnique(pObj));
         continue;
       }
-
       if (!m_WordSize || m_WordBuffer[0] == ']')
         break;
     }
     return pArray;
   }
 
   if (m_WordSize == 5 && !memcmp(m_WordBuffer, "false", 5))
     return new CPDF_Boolean(false);
 
   if (m_WordSize == 4) {
@@ skipping 216 matching lines @@
 
   if (buf.GetLength() > kMaxStringLength)
     return CFX_ByteString(buf.GetBuffer(), kMaxStringLength);
 
   return buf.MakeString();
 }
 
 bool CPDF_StreamParser::PositionIsInBounds() const {
   return m_Pos < m_Size;
 }