Fix build.

sandbox/win/sandbox_poc/pocdll/utils.h

 // Copyright (c) 2010 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.
 
 #ifndef SANDBOX_SANDBOX_POC_POCDLL_UTILS_H__
 #define SANDBOX_SANDBOX_POC_POCDLL_UTILS_H__
 
 #include <stdio.h>
 #include <io.h>
 
+#include "base/macros.h"
+
 // Class to convert a HANDLE to a FILE *. The FILE * is closed when the
 // object goes out of scope
 class HandleToFile {
  public:
   HandleToFile() {
     file_ = NULL;
   };
 
   // Note: c_file_handle_ does not need to be closed because fclose does it.
   ~HandleToFile() {
@@ skipping 34 matching lines @@
     return file_;
   };
  private:
   // the FILE* returned. We need to closed it at the end.
   FILE* file_;
 
   DISALLOW_COPY_AND_ASSIGN(HandleToFile);
 };
 
 #endif  // SANDBOX_SANDBOX_POC_POCDLL_UTILS_H__