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

chrome/browser/media_galleries/win/mtp_device_delegate_impl_win.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 CHROME_BROWSER_MEDIA_GALLERIES_WIN_MTP_DEVICE_DELEGATE_IMPL_WIN_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_WIN_MTP_DEVICE_DELEGATE_IMPL_WIN_H_
 
 #include <queue>
 
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/platform_file.h"
-#include "base/string16.h"
+#include "base/strings/string16.h"
 #include "base/win/scoped_comptr.h"
 #include "chrome/browser/media_galleries/fileapi/mtp_device_async_delegate.h"
 #include "chrome/browser/media_galleries/mtp_device_delegate_impl.h"
 #include "webkit/browser/fileapi/async_file_util.h"
 
 namespace base {
 class FilePath;
 class SequencedTaskRunner;
 }
 
@@ skipping 186 matching lines @@
 
   // For callbacks that may run after destruction.
   base::WeakPtrFactory<MTPDeviceDelegateImplWin> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MTPDeviceDelegateImplWin);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_WIN_MTP_DEVICE_DELEGATE_IMPL_WIN_H_