Web MIDI: call AccumulateMidiBytesSent() after operation finished

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"
@@ skipping 15 matching lines @@
 }
 
 void MidiManagerUsb::StartInitialization() {
   Initialize(
       base::Bind(&MidiManager::CompleteInitialization, base::Unretained(this)));
 }
 
 void MidiManagerUsb::Initialize(
     base::Callback<void(MidiResult result)> callback) {
   initialize_callback_ = callback;
-  scheduler_.reset(new MidiScheduler);
+  scheduler_.reset(new MidiScheduler(this));
   // This is safe because EnumerateDevices cancels the operation on destruction.
   device_factory_->EnumerateDevices(
       this,
       base::Bind(&MidiManagerUsb::OnEnumerateDevicesDone,
                  base::Unretained(this)));
 }
 
 void MidiManagerUsb::DispatchSendMidiData(MidiManagerClient* client,
                                           uint32_t port_index,
                                           const std::vector<uint8>& data,
@@ skipping 110 matching lines @@
       port.id = base::StringPrintf("port-%d-%ld",
                                    device_id,
                                    static_cast<long>(j));
       AddInputPort(port);
     }
   }
   return true;
 }
 
 }  // namespace media