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

ui/shell_dialogs/selected_file_info.h

 // 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.
 
 #ifndef UI_SHELL_DIALOGS_SELECTED_FILE_INFO_H_
 #define UI_SHELL_DIALOGS_SELECTED_FILE_INFO_H_
 
 #include <vector>
 
 #include "base/files/file_path.h"
-#include "base/string16.h"
+#include "base/strings/string16.h"
 #include "ui/shell_dialogs/shell_dialogs_export.h"
 
 namespace ui {
 
 // Struct used for passing selected file info to WebKit.
 struct SHELL_DIALOGS_EXPORT SelectedFileInfo {
   // Selected file's user friendly path as seen in the UI.
   base::FilePath file_path;
 
   // The actual local path to the selected file. This can be a snapshot file
@@ skipping 13 matching lines @@
   SelectedFileInfo();
   SelectedFileInfo(const base::FilePath& in_file_path,
                    const base::FilePath& in_local_path);
   ~SelectedFileInfo();
 };
 
 }  // namespace ui
 
 #endif  // UI_SHELL_DIALOGS_SELECTED_FILE_INFO_H_