Switch to standard integer types in base/strings/.

base/strings/utf_string_conversions_unittest.cc

Index: base/strings/utf_string_conversions_unittest.cc
diff --git a/base/strings/utf_string_conversions_unittest.cc b/base/strings/utf_string_conversions_unittest.cc
index 2d5eb415f1671c493c8f6843c2388c8b5c82e794..810771357a26120832ab53bbf8ddfb3db8817055 100644
--- a/base/strings/utf_string_conversions_unittest.cc
+++ b/base/strings/utf_string_conversions_unittest.cc
@@ -2,11 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "base/basictypes.h"
+#include <stddef.h>
+
 #include "base/logging.h"
+#include "base/macros.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
+#include "build/build_config.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {