[WebMIDI] Add "use-android-midi-api" flag for Android M+ devices.

media/midi/midi_manager.cc

 // Copyright (c) 2013 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.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/trace_event/trace_event.h"
@@ skipping 37 matching lines @@
 }
 
 MidiManager::~MidiManager() {
   UMA_HISTOGRAM_ENUMERATION("Media.Midi.ResultOnShutdown",
                             static_cast<Sample>(result_),
                             static_cast<Sample>(Result::MAX) + 1);
 }
 
 #if !defined(OS_MACOSX) && !defined(OS_WIN) && \
     !(defined(USE_ALSA) && defined(USE_UDEV)) && !defined(OS_ANDROID)
-MidiManager* MidiManager::Create() {
+MidiManager* MidiManager::Create(const CreationOptions&) {
   ReportUsage(Usage::CREATED_ON_UNSUPPORTED_PLATFORMS);
   return new MidiManager;
 }
 #endif
 
 void MidiManager::StartSession(MidiManagerClient* client) {
   ReportUsage(Usage::SESSION_STARTED);
 
   bool session_is_ready;
   bool session_needs_initialization = false;
@@ skipping 168 matching lines @@
   lock_.AssertAcquired();
 
   for (const auto& info : input_ports_)
     client->AddInputPort(info);
   for (const auto& info : output_ports_)
     client->AddOutputPort(info);
 }
 
 }  // namespace midi
 }  // namespace media