Use a direct include of strings headers in chromeos/.

chromeos/ime/ibus_daemon_controller.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/ime/ibus_daemon_controller.h"
 
 #include "base/bind.h"
 #include "base/chromeos/chromeos_version.h"
 #include "base/environment.h"
 #include "base/files/file_path_watcher.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/observer_list.h"
 #include "base/process_util.h"
 #include "base/rand_util.h"
-#include "base/string_util.h"
-#include "base/stringprintf.h"
+#include "base/strings/string_util.h"
+#include "base/strings/stringprintf.h"
 #include "base/threading/thread_checker.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 
 namespace chromeos {
 
 namespace {
 
 IBusDaemonController* g_ibus_daemon_controller = NULL;
 base::FilePathWatcher* g_file_path_watcher = NULL;
 
@@ skipping 321 matching lines @@
   delete g_ibus_daemon_controller;
   g_ibus_daemon_controller = NULL;
 }
 
 // static
 IBusDaemonController* IBusDaemonController::GetInstance() {
   return g_ibus_daemon_controller;
 }
 
 }  // namespace chromeos