Fix a bunch of IWYU violators that don't include scoped_ptr.h

media/midi/usb_midi_device.h

 // Copyright 2014 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 MEDIA_MIDI_USB_MIDI_DEVICE_H_
 #define MEDIA_MIDI_USB_MIDI_DEVICE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <vector>
 
 #include "base/callback.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/time/time.h"
 #include "media/midi/usb_midi_export.h"
 
 namespace media {
 namespace midi {
 
 class MidiManagerUsb;
 class UsbMidiDevice;
 
@@ skipping 58 matching lines @@
   virtual std::string GetDeviceVersion() = 0;
 
   // Sends |data| to the given USB endpoint of this device.
   virtual void Send(int endpoint_number, const std::vector<uint8_t>& data) = 0;
 };
 
 }  // namespace midi
 }  // namespace media
 
 #endif  // MEDIA_MIDI_USB_MIDI_DEVICE_H_