Use a direct include of strings headers in cloud_print/.

cloud_print/service/win/local_security_policy.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 "cloud_print/service/win/local_security_policy.h"
 
 #include <atlsecurity.h>
 #include <ntsecapi.h>
 #include <windows.h>
 
 #include "base/logging.h"
-#include "base/string_util.h"
+#include "base/strings/string_util.h"
 
 const wchar_t kSeServiceLogonRight[] = L"SeServiceLogonRight";
 
 #ifndef STATUS_SUCCESS
 #define STATUS_SUCCESS ((NTSTATUS)0x00000000L)
 #endif
 
 namespace {
 
 template<class T>
@@ skipping 87 matching lines @@
   privilege_string.Buffer = &privilage_copy[0];
   privilege_string.Length = wcslen(privilege_string.Buffer) *
                             sizeof(privilege_string.Buffer[0]);
   privilege_string.MaximumLength = privilege_string.Length +
                                    sizeof(privilege_string.Buffer[0]);
   return STATUS_SUCCESS ==
       ::LsaAddAccountRights(policy_, const_cast<SID*>(user_sid.GetPSID()),
                             &privilege_string, 1);
 }