Revert of Implement HasInputDevices in CrasAudioManager

media/audio/cras/audio_manager_cras.cc

Index: media/audio/cras/audio_manager_cras.cc
diff --git a/media/audio/cras/audio_manager_cras.cc b/media/audio/cras/audio_manager_cras.cc
index 7308a6da708f1218489ec58219b437b18628ea93..befd3df6dfc9911a9e75c89d87faaa6b3a2c31ba 100644
--- a/media/audio/cras/audio_manager_cras.cc
+++ b/media/audio/cras/audio_manager_cras.cc
@@ -11,8 +11,6 @@
 #include "base/logging.h"
 #include "base/nix/xdg_util.h"
 #include "base/stl_util.h"
-#include "chromeos/audio/audio_device.h"
-#include "chromeos/audio/cras_audio_handler.h"
 #include "media/audio/cras/cras_input.h"
 #include "media/audio/cras/cras_unified.h"
 #include "media/base/channel_layout.h"
@@ -51,12 +49,7 @@
 }
 
 bool AudioManagerCras::HasAudioInputDevices() {
-  chromeos::AudioDeviceList devices;
-  chromeos::CrasAudioHandler::Get()->GetAudioDevices(&devices);
-  for (size_t i = 0; i < devices.size(); ++i)
-    if (devices[i].is_input && devices[i].is_for_simple_usage())
-      return true;
-  return false;
+  return true;
 }
 
 AudioManagerCras::AudioManagerCras(AudioLogFactory* audio_log_factory)