Reland 153623004: Remove the unified IO code on the browser

media/audio/win/audio_manager_win.cc

Index: media/audio/win/audio_manager_win.cc
diff --git a/media/audio/win/audio_manager_win.cc b/media/audio/win/audio_manager_win.cc
index 3999ae44fdc7031e8c09692af539af9212baf6c2..3478a21e46c5c2143a479af6f747a23c6a930906 100644
--- a/media/audio/win/audio_manager_win.cc
+++ b/media/audio/win/audio_manager_win.cc
@@ -26,7 +26,6 @@
 #include "media/audio/win/audio_low_latency_input_win.h"
 #include "media/audio/win/audio_low_latency_output_win.h"
 #include "media/audio/win/audio_manager_win.h"
-#include "media/audio/win/audio_unified_win.h"
 #include "media/audio/win/core_audio_util_win.h"
 #include "media/audio/win/device_enumeration_win.h"
 #include "media/audio/win/wavein_input_win.h"
@@ -343,8 +342,7 @@ AudioOutputStream* AudioManagerWin::MakeLinearOutputStream(
 // - WASAPIAudioOutputStream: Based on Core Audio (WASAPI) API.
 AudioOutputStream* AudioManagerWin::MakeLowLatencyOutputStream(
     const AudioParameters& params,
-    const std::string& device_id,
-    const std::string& input_device_id) {
+    const std::string& device_id) {
   DCHECK_EQ(AudioParameters::AUDIO_PCM_LOW_LATENCY, params.format());
   if (params.channels() > kWinMaxChannels)
     return NULL;
@@ -359,15 +357,6 @@ AudioOutputStream* AudioManagerWin::MakeLowLatencyOutputStream(
         this, params, NumberOfWaveOutBuffers(), WAVE_MAPPER);
   }
 
-  // TODO(rtoy): support more than stereo input.
-  if (params.input_channels() > 0) {
-    DVLOG(1) << "WASAPIUnifiedStream is created.";
-    DLOG_IF(ERROR, !device_id.empty() &&
-        device_id != AudioManagerBase::kDefaultDeviceId)
-        << "Opening by device id not supported by WASAPIUnifiedStream";
-    return new WASAPIUnifiedStream(this, params, input_device_id);
-  }
-
   // Pass an empty string to indicate that we want the default device
   // since we consistently only check for an empty string in
   // WASAPIAudioOutputStream.