Switch to standard integer types in printing/.

printing/metafile.cc

 // Copyright 2014 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 "printing/metafile.h"
 
+#include <stdint.h>
+
 #include <vector>
 
 #include "base/files/file.h"
 #include "base/numerics/safe_conversions.h"
 
 namespace printing {
 
 MetafilePlayer::MetafilePlayer() {
 }
 
@@ skipping 24 matching lines @@
 
   int size = base::checked_cast<int>(buffer.size());
   if (file->WriteAtCurrentPos(&buffer[0], size) != size) {
     DLOG(ERROR) << "Failed to save file.";
     return false;
   }
   return true;
 }
 
 }  // namespace printing