1 files changed, 8 insertions, 14 deletions
diff --git a/media/audio/linux/audio_manager_linux.cc b/media/audio/linux/audio_manager_linux.cc
index 02118af..8cf8355 100644
--- a/media/audio/linux/audio_manager_linux.cc
+++ b/media/audio/linux/audio_manager_linux.cc
@@ -7,7 +7,6 @@
 #include "base/command_line.h"
 #include "base/environment.h"
 #include "base/logging.h"
-#include "base/metrics/histogram.h"
 #include "base/nix/xdg_util.h"
 #include "base/process_util.h"
 #include "base/stl_util.h"
@@ -20,7 +19,9 @@
 #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"
@@ -45,13 +46,6 @@ static const char* kInvalidAudioInputDevices[] = {
   "surround",
 };
 
-enum LinuxAudioIO {
-  kPulse,
-  kAlsa,
-  kCras,
-  kAudioIOMax  // Must always be last!
-};
-
 // static
 void AudioManagerLinux::ShowLinuxAudioInputSettings() {
   scoped_ptr<base::Environment> env(base::Environment::Create());
@@ -327,18 +321,18 @@ AudioInputStream* AudioManagerLinux::MakeInputStream(
 AudioManager* CreateAudioManager() {
 #if defined(USE_CRAS)
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kUseCras)) {
-    UMA_HISTOGRAM_ENUMERATION("Media.LinuxAudioIO", kCras, kAudioIOMax);
     return new AudioManagerCras();
   }
 #endif
 
-  AudioManager* manager = AudioManagerPulse::Create();
-  if (manager) {
-    UMA_HISTOGRAM_ENUMERATION("Media.LinuxAudioIO", kPulse, kAudioIOMax);
-    return manager;
+#if defined(USE_PULSEAUDIO)
+  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kUsePulseAudio)) {
+    AudioManager* manager = AudioManagerPulse::Create();
+    if (manager)
+      return manager;
   }
+#endif
 
-  UMA_HISTOGRAM_ENUMERATION("Media.LinuxAudioIO", kAlsa, kAudioIOMax);
   return new AudioManagerLinux();
 }