Switch to standard integer types in components/, part 3 of 4.

components/search_engines/default_search_manager_unittest.cc

 // Copyright 2014 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 <stddef.h>
+
 #include "base/files/scoped_temp_dir.h"
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "components/pref_registry/testing_pref_service_syncable.h"
 #include "components/search_engines/default_search_manager.h"
 #include "components/search_engines/search_engines_pref_names.h"
 #include "components/search_engines/template_url_data.h"
@@ skipping 302 matching lines @@
 
   ExpectSimilar(extension_data_3.get(),
                 manager.GetDefaultSearchEngine(&source));
   EXPECT_EQ(DefaultSearchManager::FROM_EXTENSION, source);
 
   manager.ClearExtensionControlledDefaultSearchEngine();
 
   ExpectSimilar(data.get(), manager.GetDefaultSearchEngine(&source));
   EXPECT_EQ(DefaultSearchManager::FROM_USER, source);
 }