Make CPDF_Stream() take unique_ptr's to its dictionary.

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 215 matching lines @@
         break;
       }
       dwStreamSize += m_Pos - dwPrevPos;
     }
     m_Pos = dwSavePos;
     pData = FX_Alloc(uint8_t, dwStreamSize);
     FXSYS_memcpy(pData, m_pBuf + m_Pos, dwStreamSize);
     m_Pos += dwStreamSize;
   }
   pDict->SetNewFor<CPDF_Number>("Length", (int)dwStreamSize);
-  return new CPDF_Stream(pData, dwStreamSize, pDict);
+  return new CPDF_Stream(pData, dwStreamSize, pdfium::WrapUnique(pDict));
 }
 
 CPDF_StreamParser::SyntaxType CPDF_StreamParser::ParseNextElement() {
   delete m_pLastObj;
   m_pLastObj = nullptr;
 
   m_WordSize = 0;
   bool bIsNumber = true;
   if (!PositionIsInBounds())
     return EndOfData;
@@ skipping 369 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;
 }