[WebMIDI] Introduce MidiManagerUsb

media/media.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'chromium_code': 1,
     # Override to dynamically link the cras (ChromeOS audio) library.
     'use_cras%': 0,
     # Option e.g. for Linux distributions to link pulseaudio directly
@@ skipping 400 matching lines @@
         'filters/vpx_video_decoder.h',
         'filters/webvtt_util.h',
         'filters/wsola_internals.cc',
         'filters/wsola_internals.h',
         'midi/midi_manager.cc',
         'midi/midi_manager.h',
         'midi/midi_manager_alsa.cc',
         'midi/midi_manager_alsa.h',
         'midi/midi_manager_mac.cc',
         'midi/midi_manager_mac.h',
+        'midi/midi_manager_usb.cc',
+        'midi/midi_manager_usb.h',
+        'midi/midi_manager_win.cc',
+        'midi/midi_manager_win.h',
         'midi/midi_message_queue.cc',
         'midi/midi_message_queue.h',
         'midi/midi_message_util.cc',
         'midi/midi_message_util.h',
-        'midi/midi_manager_win.cc',
-        'midi/midi_manager_win.h',
         'midi/midi_port_info.cc',
         'midi/midi_port_info.h',
         'midi/usb_midi_descriptor_parser.cc',
         'midi/usb_midi_descriptor_parser.h',
         'midi/usb_midi_device.h',
         'midi/usb_midi_input_stream.cc',
         'midi/usb_midi_input_stream.h',
         'midi/usb_midi_jack.h',
         'midi/usb_midi_output_stream.cc',
         'midi/usb_midi_output_stream.h',
@@ skipping 579 matching lines @@
         'filters/h264_parser_unittest.cc',
         'filters/h264_to_annex_b_bitstream_converter_unittest.cc',
         'filters/pipeline_integration_test.cc',
         'filters/pipeline_integration_test_base.cc',
         'filters/skcanvas_video_renderer_unittest.cc',
         'filters/source_buffer_stream_unittest.cc',
         'filters/video_decoder_selector_unittest.cc',
         'filters/video_frame_painter_unittest.cc',
         'filters/video_frame_stream_unittest.cc',
         'filters/video_renderer_impl_unittest.cc',
+        'midi/midi_manager_usb_unittest.cc',
         'midi/midi_message_queue_unittest.cc',
         'midi/midi_message_util_unittest.cc',
         'midi/usb_midi_descriptor_parser_unittest.cc',
         'midi/usb_midi_input_stream_unittest.cc',
         'midi/usb_midi_output_stream_unittest.cc',
         'video/capture/video_capture_device_unittest.cc',
         'formats/webm/cluster_builder.cc',
         'formats/webm/cluster_builder.h',
         'formats/webm/tracks_builder.cc',
         'formats/webm/tracks_builder.h',
@@ skipping 628 matching lines @@
                   ],
                 }],
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }