Use a direct include of strings headers in chromeos/.

chromeos/app_mode/kiosk_oem_manifest_parser.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 "chromeos/app_mode/kiosk_oem_manifest_parser.h"
 
 #include "base/json/json_file_value_serializer.h"
-#include "base/stringprintf.h"
+#include "base/strings/stringprintf.h"
 #include "base/values.h"
 
 namespace chromeos {
 
 namespace {
 
 const char kEnterpriseManaged[]  = "enterprise_managed";
 const char kAllowReset[]         = "can_exit_enrollment";
 const char kDeviceRequisition[]  = "device_requisition";
 const char kKeyboardDrivenOobe[] = "keyboard_driven_oobe";
@@ skipping 30 matching lines @@
                         &manifest->enterprise_managed) ||
       !dict->GetBoolean(kAllowReset,
                         &manifest->can_exit_enrollment)) {
     return false;
   }
 
   return true;
 }
 
 }  // namespace chromeos