Add missing macros includes in media/.

media/midi/midi_manager_usb.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_MIDI_MANAGER_USB_H_
 #define MEDIA_MIDI_MIDI_MANAGER_USB_H_
 
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/containers/hash_tables.h"
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "media/midi/midi_manager.h"
 #include "media/midi/usb_midi_device.h"
 #include "media/midi/usb_midi_export.h"
 #include "media/midi/usb_midi_input_stream.h"
 #include "media/midi/usb_midi_jack.h"
 #include "media/midi/usb_midi_output_stream.h"
 
 namespace media {
@@ skipping 62 matching lines @@
 
   scoped_ptr<MidiScheduler> scheduler_;
 
   DISALLOW_COPY_AND_ASSIGN(MidiManagerUsb);
 };
 
 }  // namespace midi
 }  // namespace media
 
 #endif  // MEDIA_MIDI_MIDI_MANAGER_USB_H_