Use a direct include of strings headers in ui/, part 2.

ui/shell_dialogs/gtk/select_file_dialog_impl_kde.cc

 // Copyright (c) 2013 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 <set>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/nix/mime_util_xdg.h"
 #include "base/nix/xdg_util.h"
 #include "base/process_util.h"
-#include "base/string_number_conversions.h"
-#include "base/string_util.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/threading/worker_pool.h"
 #include "grit/ui_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/shell_dialogs/gtk/select_file_dialog_impl.h"
 
 // These conflict with base/tracked_objects.h, so need to come last.
 #include <gdk/gdkx.h>
 #include <gtk/gtk.h>
@@ skipping 444 matching lines @@
 // static
 SelectFileDialogImpl* SelectFileDialogImpl::NewSelectFileDialogImplKDE(
     Listener* listener,
     ui::SelectFilePolicy* policy,
     base::nix::DesktopEnvironment desktop) {
   return new SelectFileDialogImplKDE(listener, policy, desktop);
 }
 
 }  // namespace ui