run iwyu on base!

base/utf_string_conversion_utils.cc

 // Copyright (c) 2009 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 <stdio.h>
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/string16.h"
+#include "base/third_party/icu/icu_utf.h"
 #include "base/utf_string_conversion_utils.h"
-
-#include "base/third_party/icu/icu_utf.h"
+#include "build/build_config.h"
 
 namespace base {
 
 // ReadUnicodeCharacter --------------------------------------------------------
 
 bool ReadUnicodeCharacter(const char* src,
                           int32 src_len,
                           int32* char_index,
                           uint32* code_point_out) {
   // U8_NEXT expects to be able to use -1 to signal an error, so we must
@@ skipping 121 matching lines @@
     // character.
     output->reserve(src_len / 2);
   }
 }
 
 // Instantiate versions we know callers will need.
 template void PrepareForUTF16Or32Output(const char*, size_t, std::wstring*);
 template void PrepareForUTF16Or32Output(const char*, size_t, string16*);
 
 }  // namespace base