Fix IWYU violators that don't include scoped_ptr.h in Windows build.

chrome/browser/media_galleries/win/mtp_device_operations_util.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 "chrome/browser/media_galleries/win/mtp_device_operations_util.h"
 
 #include <portabledevice.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <limits>
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/time/time.h"
 #include "base/win/scoped_co_mem.h"
 #include "base/win/scoped_propvariant.h"
 #include "chrome/common/chrome_constants.h"
 
 namespace media_transfer_protocol {
 
@@ skipping 382 matching lines @@
       object_entries.empty())
     return base::string16();
   // TODO(thestig): This DCHECK can fail. Multiple MTP objects can have
   // the same name. Handle the situation gracefully. Refer to crbug.com/169930
   // for more details.
   DCHECK_EQ(1U, object_entries.size());
   return object_entries[0].object_id;
 }
 
 }  // namespace media_transfer_protocol