sync the openbsd audio code with linux

media/audio/openbsd/audio_manager_openbsd.cc

Index: media/audio/openbsd/audio_manager_openbsd.cc
diff --git a/media/audio/openbsd/audio_manager_openbsd.cc b/media/audio/openbsd/audio_manager_openbsd.cc
index 552d528f40ace62c9f0d61067ae6e1fc75c5426d..acdcea45b2331e55ac79250b17e64387a5708cf7 100644
--- a/media/audio/openbsd/audio_manager_openbsd.cc
+++ b/media/audio/openbsd/audio_manager_openbsd.cc
@@ -89,10 +89,6 @@ AudioInputStream* AudioManagerOpenBSD::MakeLowLatencyInputStream(
 
 AudioOutputStream* AudioManagerOpenBSD::MakeOutputStream(
     const AudioParameters& params) {
-  if (!initialized()) {
-    return NULL;
-  }
-
 #if defined(USE_PULSEAUDIO)
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kUsePulseAudio)) {
     return new PulseAudioOutputStream(params, this);