[Chromecast] Move CastAudioDecoder out to chromecast/media/cma/decoder

chromecast/media/cma/decoder/BUILD.gn

Index: chromecast/media/cma/decoder/BUILD.gn
diff --git a/chromecast/media/cma/ipc/BUILD.gn b/chromecast/media/cma/decoder/BUILD.gn
similarity index 54%
copy from chromecast/media/cma/ipc/BUILD.gn
copy to chromecast/media/cma/decoder/BUILD.gn
index e70b184cf3d22a773e9e69119833e923f60e6cbe..5adf546bde9676308f56cb9005ae182b41c4865e 100644
--- a/chromecast/media/cma/ipc/BUILD.gn
+++ b/chromecast/media/cma/decoder/BUILD.gn
@@ -2,19 +2,17 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-source_set("ipc") {
+source_set("decoder") {
   sources = [
-    "media_memory_chunk.cc",
-    "media_memory_chunk.h",
-    "media_message.cc",
-    "media_message.h",
-    "media_message_fifo.cc",
-    "media_message_fifo.h",
-    "media_message_type.h",
+    "cast_audio_decoder.h",
+    "cast_audio_decoder_android.cc",
+    "cast_audio_decoder_linux.cc",
   ]
 
   deps = [
     "//base",
     "//chromecast/media/cma/base",
+    "//media",
+    "//media:shared_memory_support",
   ]
 }