Use a direct include of strings headers in base/.

base/win/registry.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 "base/win/registry.h"
 
 #include <shlwapi.h>
 #include <algorithm>
 
 #include "base/logging.h"
-#include "base/string_util.h"
+#include "base/strings/string_util.h"
 #include "base/threading/thread_restrictions.h"
 
 #pragma comment(lib, "shlwapi.lib")  // for SHDeleteKey
 
 namespace base {
 namespace win {
 
 namespace {
 
 // RegEnumValue() reports the number of characters from the name that were
@@ skipping 433 matching lines @@
     if (ERROR_SUCCESS == r)
       return true;
   }
 
   name_[0] = '\0';
   return false;
 }
 
 }  // namespace win
 }  // namespace base