Require udev for MidiManagerAlsa

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/message_loop/message_loop_proxy.h"
 #include "base/trace_event/trace_event.h"
 
 namespace media {
 
 MidiManager::MidiManager()
     : initialized_(false),
       result_(MIDI_NOT_SUPPORTED) {
 }
 
 MidiManager::~MidiManager() {
 }
 
-#if !defined(OS_MACOSX) && !defined(OS_WIN) && !defined(USE_ALSA) && \
-    !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
+#if !defined(OS_MACOSX) && !defined(OS_WIN) && \
+    !(defined(USE_ALSA) && defined(USE_UDEV)) && !defined(OS_ANDROID)
 MidiManager* MidiManager::Create() {
   return new MidiManager;
 }
 #endif
 
 void MidiManager::StartSession(MidiManagerClient* client) {
   bool session_is_ready;
   bool session_needs_initialization = false;
   bool too_many_pending_clients_exist = false;
 
@@ skipping 154 matching lines @@
 void MidiManager::AddInitialPorts(MidiManagerClient* client) {
   lock_.AssertAcquired();
 
   for (const auto& info : input_ports_)
     client->AddInputPort(info);
   for (const auto& info : output_ports_)
     client->AddOutputPort(info);
 }
 
 }  // namespace media