Switch to standard integer types in chrome/browser/, part 4 of 4.

chrome/browser/spellchecker/spellcheck_custom_dictionary.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 "chrome/browser/spellchecker/spellcheck_custom_dictionary.h"
 
+#include <stddef.h>
+
 #include <functional>
 
 #include "base/files/file_util.h"
 #include "base/files/important_file_writer.h"
 #include "base/md5.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/spellchecker/spellcheck_host_metrics.h"
 #include "chrome/common/chrome_constants.h"
@@ skipping 507 matching lines @@
 }
 
 void SpellcheckCustomDictionary::Notify(const Change& dictionary_change) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   if (!IsLoaded() || dictionary_change.empty())
     return;
   FOR_EACH_OBSERVER(Observer,
                     observers_,
                     OnCustomDictionaryChanged(dictionary_change));
 }