Enable pulse as the default IO handling in Chrome

media/audio/linux/audio_manager_linux.cc

Index: media/audio/linux/audio_manager_linux.cc
diff --git a/media/audio/linux/audio_manager_linux.cc b/media/audio/linux/audio_manager_linux.cc
index 8cf8355da3c668ac4e45c7f957f4b9370d8077c4..f1bba6c292042f6c21b58a897bfc85d1ed0fcb1b 100644
--- a/media/audio/linux/audio_manager_linux.cc
+++ b/media/audio/linux/audio_manager_linux.cc
@@ -19,9 +19,7 @@
 #include "media/audio/linux/alsa_input.h"
 #include "media/audio/linux/alsa_output.h"
 #include "media/audio/linux/alsa_wrapper.h"
-#if defined(USE_PULSEAUDIO)
 #include "media/audio/pulse/audio_manager_pulse.h"
-#endif
 #include "media/base/channel_layout.h"
 #include "media/base/limits.h"
 #include "media/base/media_switches.h"
@@ -325,13 +323,9 @@ AudioManager* CreateAudioManager() {
   }
 #endif
 
-#if defined(USE_PULSEAUDIO)
-  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kUsePulseAudio)) {
-    AudioManager* manager = AudioManagerPulse::Create();
-    if (manager)
-      return manager;
-  }
-#endif
+  AudioManager* manager = AudioManagerPulse::Create();

[DaleCurtis, 2013/03/11 22:06:46]

fischman had a great suggestion: You should add a UMA stat for how often this
route is taken so we know our relative percentage of pulse users.

[no longer working on chromium, 2013/03/12 16:08:29]

Done.

+  if (manager)
+    return manager;
 
   return new AudioManagerLinux();
 }