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

components/variations/service/variations_service_unittest.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 "components/variations/service/variations_service.h"
 
+#include <stddef.h>
+
 #include <vector>
 
 #include "base/base64.h"
 #include "base/feature_list.h"
 #include "base/json/json_string_value_serializer.h"
+#include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/testing_pref_service.h"
 #include "base/sha1.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/test/histogram_tester.h"
 #include "base/version.h"
 #include "components/variations/pref_names.h"
 #include "components/variations/proto/study.pb.h"
@@ skipping 694 matching lines @@
         << test.pref_value_before << ", " << test.version << ", "
         << test.latest_country_code;
 
     histogram_tester.ExpectUniqueSample(
         "Variations.LoadPermanentConsistencyCountryResult",
         test.expected_result, 1);
   }
 }
 
 }  // namespace variations