Switch to standard integer types in components/, part 1 of 4.

components/data_usage/core/data_use_aggregator_unittest.cc

 // Copyright 2015 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/data_usage/core/data_use_aggregator.h"
 
+#include <stddef.h>
 #include <stdint.h>
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/time/time.h"
 #include "components/data_usage/core/data_use.h"
 #include "components/data_usage/core/data_use_amortizer.h"
 #include "components/data_usage/core/data_use_annotator.h"
 #include "net/base/load_timing_info.h"
 #include "net/base/network_change_notifier.h"
 #include "net/base/network_delegate_impl.h"
 #include "net/socket/socket_test_util.h"
@@ skipping 396 matching lines @@
   // Off the record data use should not be reported to observers.
   data_use_aggregator()->ReportOffTheRecordDataUse(1000, 1000);
   base::MessageLoop::current()->RunUntilIdle();
   EXPECT_EQ(static_cast<size_t>(0),
             test_observer()->observed_data_use().size());
 }
 
 }  // namespace
 
 }  // namespace data_usage