[Chromecast] Process streams with different post-processing.

chromecast/media/cma/backend/alsa/stream_mixer_alsa_input.cc

Index: chromecast/media/cma/backend/alsa/stream_mixer_alsa_input.cc
diff --git a/chromecast/media/cma/backend/alsa/stream_mixer_alsa_input.cc b/chromecast/media/cma/backend/alsa/stream_mixer_alsa_input.cc
index b3a97df6bb6a7855ec5aa62e92d38c7faa99ced8..ab1745aab70c5aab510898cc2da2a96994ee9a0a 100644
--- a/chromecast/media/cma/backend/alsa/stream_mixer_alsa_input.cc
+++ b/chromecast/media/cma/backend/alsa/stream_mixer_alsa_input.cc
@@ -14,9 +14,10 @@ namespace media {
 
 StreamMixerAlsaInput::StreamMixerAlsaInput(Delegate* delegate,
                                            int samples_per_second,
-                                           bool primary) {
+                                           bool primary,
+                                           const std::string& name) {
   std::unique_ptr<StreamMixerAlsaInputImpl> impl(new StreamMixerAlsaInputImpl(
-      delegate, samples_per_second, primary, StreamMixerAlsa::Get()));
+      delegate, samples_per_second, primary, name, StreamMixerAlsa::Get()));
   impl_ = impl.get();  // Store a pointer to the impl, but the mixer owns it.
   StreamMixerAlsa::Get()->AddInput(std::move(impl));
 }