[Chromecast] Fix fade-out frames in ALSA mixer

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 7099ca0d91752dd8c3bad7636a7cdea9c6e08a7b..fb529e19d586d11b9dec60df885921249ec01ab4 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
@@ -146,6 +146,8 @@ class StreamMixerAlsaInputImpl : public StreamMixerAlsa::InputQueue {
   const scoped_refptr<base::SingleThreadTaskRunner> mixer_task_runner_;
   const scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner_;
 
+  double resample_ratio_;
+
   State state_;
   float volume_multiplier_;