Web MIDI: add MidiScheduler for send() with timestamp

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 514 matching lines @@
         '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_port_info.cc',
         'midi/midi_port_info.h',
+        'midi/midi_scheduler.cc',
+        'midi/midi_scheduler.h',
         'midi/usb_midi_descriptor_parser.cc',
         'midi/usb_midi_descriptor_parser.h',
         'midi/usb_midi_device.h',
         'midi/usb_midi_device_android.cc',
         'midi/usb_midi_device_android.h',
         'midi/usb_midi_device_factory_android.cc',
         'midi/usb_midi_device_factory_android.h',
         'midi/usb_midi_input_stream.cc',
         'midi/usb_midi_input_stream.h',
         'midi/usb_midi_jack.h',
@@ skipping 1442 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'media_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }