Use a direct include of strings headers in remoting/.

remoting/host/win/security_descriptor.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 "remoting/host/win/security_descriptor.h"
 
 #include <sddl.h>
 
-#include "base/string16.h"
+#include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
 
 namespace remoting {
 
 ScopedSd ConvertSddlToSd(const std::string& sddl) {
   PSECURITY_DESCRIPTOR raw_sd = NULL;
   ULONG length = 0;
   if (!ConvertStringSecurityDescriptorToSecurityDescriptor(
           UTF8ToUTF16(sddl).c_str(), SDDL_REVISION_1, &raw_sd, &length)) {
     return ScopedSd();
@@ skipping 96 matching lines @@
 
   absolute_sd->Swap(local_absolute_sd);
   dacl->Swap(local_dacl);
   group->Swap(local_group);
   owner->Swap(local_owner);
   sacl->Swap(local_sacl);
   return true;
 }
 
 }  // namespace remoting