Getting rid of duplicate includes from media/

media/midi/midi_manager_usb.cc

 // 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.
 
 #include "media/midi/midi_manager_usb.h"
 
-#include "base/callback.h"
 #include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
 #include "media/midi/midi_scheduler.h"
 #include "media/midi/usb_midi_descriptor_parser.h"
-#include "media/midi/usb_midi_device.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 {
 namespace midi {
 
 MidiManagerUsb::MidiManagerUsb(scoped_ptr<UsbMidiDevice::Factory> factory)
     : device_factory_(factory.Pass()) {
 }
 
 MidiManagerUsb::~MidiManagerUsb() {
 }
@@ skipping 126 matching lines @@
       input_stream_->Add(jacks[j]);
       AddInputPort(MidiPortInfo(id, manufacturer, product_name, version,
                                 MIDI_PORT_OPENED));
     }
   }
   return true;
 }
 
 }  // namespace midi
 }  // namespace media