Switch to standard integer types in content/browser/.

content/browser/download/file_metadata_linux.cc

 // Copyright (c) 2012 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 "content/browser/download/file_metadata_linux.h"
 
+#include <stddef.h>
 #include <sys/types.h>
 #include <sys/xattr.h>
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "url/gurl.h"
 
 namespace content {
 
@@ skipping 17 matching lines @@
     SetExtendedFileAttribute(file.value().c_str(), kSourceURLAttrName,
         source.spec().c_str(), source.spec().length(), 0);
   }
   if (referrer.is_valid()) {
     SetExtendedFileAttribute(file.value().c_str(), kReferrerURLAttrName,
         referrer.spec().c_str(), referrer.spec().length(), 0);
   }
 }
 
 }  // namespace content