Switch to standard integer types in components/, part 2 of 4.

components/history/core/browser/visit_filter_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/history/core/browser/visit_filter.h"
 
 #include <math.h>
+#include <stddef.h>
 
 #include "base/logging.h"
 #include "base/time/time.h"
 #include "components/history/core/browser/history_types.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 // So the tests won't go into the other day +/- several hours, return midday of
 // today.
@@ skipping 287 matching lines @@
   visit.visit_time = filter_time - base::TimeDelta::FromDays(7);
   EXPECT_DOUBLE_EQ(0.5, filter.GetVisitScore(visit));
   // One standard deviation of decay, plus the staleness factor.
   visit.visit_time = filter_time - base::TimeDelta::FromDays(7) -
                      base::TimeDelta::FromHours(1);
   EXPECT_DOUBLE_EQ(exp(-0.5) * one_week_one_hour_staleness,
                    filter.GetVisitScore(visit));
 }
 
 }  // namespace history