Reland 15721002: Hook up the device selection to the WebAudio live audio

media/audio/audio_output_resampler.h

Index: media/audio/audio_output_resampler.h
diff --git a/media/audio/audio_output_resampler.h b/media/audio/audio_output_resampler.h
index 057cf34b766c6701a6a5f7a88bcac68a490c0afd..e2633daa0f954d10fa9f9b9ac2dd3db0e7ed50b5 100644
--- a/media/audio/audio_output_resampler.h
+++ b/media/audio/audio_output_resampler.h
@@ -40,6 +40,7 @@ class MEDIA_EXPORT AudioOutputResampler : public AudioOutputDispatcher {
   AudioOutputResampler(AudioManager* audio_manager,
                        const AudioParameters& input_params,
                        const AudioParameters& output_params,
+                       const std::string& input_device_id,
                        const base::TimeDelta& close_delay);
 
   // AudioOutputDispatcher interface.
@@ -73,6 +74,9 @@ class MEDIA_EXPORT AudioOutputResampler : public AudioOutputDispatcher {
   // AudioParameters used to setup the output stream.
   AudioParameters output_params_;
 
+  // Device ID to be used by the unified IO to open the correct input device.
+  const std::string input_device_id_;
+
   // Whether any streams have been opened through |dispatcher_|, if so we can't
   // fallback on future OpenStream() failures.
   bool streams_opened_;