Use a direct include of strings headers in chrome/browser/media_galleries/.

chrome/browser/media_galleries/media_galleries_dialog_controller.h

 // 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.
 
 #ifndef CHROME_BROWSER_MEDIA_GALLERIES_MEDIA_GALLERIES_DIALOG_CONTROLLER_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_MEDIA_GALLERIES_DIALOG_CONTROLLER_H_
 
 #include <list>
 #include <map>
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/string16.h"
+#include "base/strings/string16.h"
 #include "chrome/browser/media_galleries/media_galleries_preferences.h"
 #include "chrome/browser/storage_monitor/removable_storage_observer.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/shell_dialogs/select_file_dialog.h"
 
 namespace content {
 class WebContents;
 }
 
 namespace extensions {
@@ skipping 170 matching lines @@
   scoped_ptr<MediaGalleriesDialog> dialog_;
 
   scoped_refptr<ui::SelectFileDialog> select_folder_dialog_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaGalleriesDialogController);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_MEDIA_GALLERIES_DIALOG_CONTROLLER_H_