Update safe numerics package to get bitwise ops

xfa/fde/xml/fde_xml_imp.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 "xfa/fde/xml/fde_xml_imp.h"
 
 #include <algorithm>
 #include <utility>
@@ skipping 1296 matching lines @@
   m_iCurrentPos = m_pStream->GetBOM(bom);
   ASSERT(!m_pBuffer);
 
   FX_SAFE_INT32 alloc_size_safe = m_iXMLPlaneSize;
   alloc_size_safe += 1;  // For NUL.
   if (!alloc_size_safe.IsValid() || alloc_size_safe.ValueOrDie() <= 0) {
     m_syntaxParserResult = FDE_XmlSyntaxResult::Error;
     return;
   }
 
-  m_pBuffer = FX_Alloc(FX_WCHAR, alloc_size_safe.ValueOrDie());
+  m_pBuffer = FX_Alloc(FX_WCHAR, alloc_size_safe.ValueOrDie<size_t>());
   m_pStart = m_pEnd = m_pBuffer;
   ASSERT(!m_BlockBuffer.IsInitialized());
   m_BlockBuffer.InitBuffer();
   m_pCurrentBlock = m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
   m_iParsedBytes = m_iParsedChars = 0;
   m_iBufferChars = 0;
 }
 
 FDE_XmlSyntaxResult CFDE_XMLSyntaxParser::DoSyntaxParse() {
   if (m_syntaxParserResult == FDE_XmlSyntaxResult::Error ||
@@ skipping 586 matching lines @@
     m_BlockBuffer.DeleteTextChars(m_iDataLength - m_iEntityStart, false);
     m_pCurrentBlock = m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
     m_iEntityStart = -1;
   } else {
     if (m_iEntityStart < 0 && character == L'&') {
       m_iEntityStart = m_iDataLength - 1;
     }
   }
   m_pStart++;
 }