[Chromecast] Process streams with different post-processing.

chromecast/media/cma/backend/alsa/stream_mixer_alsa_input_impl.h

Index: chromecast/media/cma/backend/alsa/stream_mixer_alsa_input_impl.h
diff --git a/chromecast/media/cma/backend/alsa/stream_mixer_alsa_input_impl.h b/chromecast/media/cma/backend/alsa/stream_mixer_alsa_input_impl.h
index 19086b8aafd682c6ea0860b0b81b6b5361d1b077..97f03568830492f95308639711d10e8d920f0afe 100644
--- a/chromecast/media/cma/backend/alsa/stream_mixer_alsa_input_impl.h
+++ b/chromecast/media/cma/backend/alsa/stream_mixer_alsa_input_impl.h
@@ -7,6 +7,7 @@
 
 #include <deque>
 #include <memory>
+#include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
@@ -90,6 +91,7 @@ class StreamMixerAlsaInputImpl : public StreamMixerAlsa::InputQueue {
   StreamMixerAlsaInputImpl(StreamMixerAlsaInput::Delegate* delegate,
                            int input_samples_per_second,
                            bool primary,
+                           std::string name,
                            StreamMixerAlsa* mixer);
 
   ~StreamMixerAlsaInputImpl() override;
@@ -115,6 +117,7 @@ class StreamMixerAlsaInputImpl : public StreamMixerAlsa::InputQueue {
   // StreamMixerAlsa::InputQueue implementation:
   int input_samples_per_second() const override;
   bool primary() const override;
+  std::string name() const override;
   bool IsDeleting() const override;
   void Initialize(const MediaPipelineBackendAlsa::RenderingDelay&
                       mixer_rendering_delay) override;
@@ -147,6 +150,7 @@ class StreamMixerAlsaInputImpl : public StreamMixerAlsa::InputQueue {
   StreamMixerAlsaInput::Delegate* const delegate_;
   const int input_samples_per_second_;
   const bool primary_;
+  std::string name_;
   StreamMixerAlsa* const mixer_;
   const scoped_refptr<base::SingleThreadTaskRunner> mixer_task_runner_;
   const scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner_;