[Chromecast] Add CmaMediaRendererFactory and IPC proxy components

chromecast/common/media/cma_param_traits_macros.h

Index: chromecast/common/media/cma_param_traits_macros.h
diff --git a/chromecast/common/media/cma_param_traits_macros.h b/chromecast/common/media/cma_param_traits_macros.h
index abde3ecd71fd8b3cd8f00d74ff34489c13e9f1ff..72682000ef444881a634812465d530b3dec7b9e7 100644
--- a/chromecast/common/media/cma_param_traits_macros.h
+++ b/chromecast/common/media/cma_param_traits_macros.h
@@ -8,6 +8,7 @@
 #ifndef CHROMECAST_COMMON_MEDIA_CMA_PARAM_TRAITS_MACROS_H_
 #define CHROMECAST_COMMON_MEDIA_CMA_PARAM_TRAITS_MACROS_H_
 
+#include "chromecast/common/media/cma_ipc_common.h"
 #include "chromecast/media/cma/pipeline/load_type.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/param_traits_macros.h"
@@ -23,6 +24,10 @@ IPC_ENUM_TRAITS_MIN_MAX_VALUE(chromecast::media::LoadType,
                               chromecast::media::kLoadTypeURL,
                               chromecast::media::kLoadTypeMediaStream)
 
+IPC_ENUM_TRAITS_MIN_MAX_VALUE(chromecast::media::TrackId,
+                              chromecast::media::kNoTrackId,
+                              chromecast::media::kVideoTrackId)
+
 IPC_ENUM_TRAITS_MIN_MAX_VALUE(media::AudioCodec,
                               media::AudioCodec::kUnknownAudioCodec,
                               media::AudioCodec::kAudioCodecMax)
@@ -46,4 +51,4 @@ IPC_STRUCT_TRAITS_BEGIN(media::PipelineStatistics)
   IPC_STRUCT_TRAITS_MEMBER(video_frames_dropped)
 IPC_STRUCT_TRAITS_END()
 
-#endif  // CHROMECAST_COMMON_MEDIA_CMA_PARAM_TRAITS_MACROS_H_
+#endif  // CHROMECAST_COMMON_MEDIA_CMA_PARAM_TRAITS_MACROS_H_