Revert of Switch to standard integer types in sandbox/.

sandbox/win/src/sidestep_resolver.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "sandbox/win/src/sidestep_resolver.h"
 
-#include <stddef.h>
-
 #include "base/win/pe_image.h"
 #include "sandbox/win/src/sandbox_nt_util.h"
 #include "sandbox/win/src/sidestep/preamble_patcher.h"
 
 namespace {
 
 const size_t kSizeOfSidestepStub = sidestep::kMaxPreambleStubSize;
 
 struct SidestepThunk {
   char sidestep[kSizeOfSidestepStub];  // Storage for the sidestep stub.
@@ skipping 176 matching lines @@
   DCHECK_NT(base);
   DCHECK_NT(return_address);
 
   base::win::PEImage pe(base);
   if (pe.GetImageSectionFromAddr(return_address))
     return true;
   return false;
 }
 
 }  // namespace sandbox