Move audio decoding to protocol layer

remoting/client/BUILD.gn

Index: remoting/client/BUILD.gn
diff --git a/remoting/client/BUILD.gn b/remoting/client/BUILD.gn
index 8c86ccbd907aaa549de21fad7b14df4f28120f28..cff4a2d29cf03721a7c31cd8b0f681e536ec14b4 100644
--- a/remoting/client/BUILD.gn
+++ b/remoting/client/BUILD.gn
@@ -9,8 +9,6 @@ static_library("client") {
 
   sources = [
     "audio_consumer.h",
-    "audio_decode_scheduler.cc",
-    "audio_decode_scheduler.h",
     "audio_player.cc",
     "audio_player.h",
     "chromoting_client.cc",
@@ -118,21 +116,6 @@ source_set("opengl_renderer") {
   }
 }
 
-static_library("test_support") {
-  testonly = true
-
-  sources = [
-    "fake_audio_consumer.cc",
-    "fake_audio_consumer.h",
-  ]
-
-  public_deps = [
-    "//remoting/protocol:test_support",
-    "//testing/gmock",
-    "//third_party/protobuf:protobuf_lite",
-  ]
-}
-
 source_set("unit_tests") {
   testonly = true
 
@@ -140,7 +123,6 @@ source_set("unit_tests") {
   # be compiled on all platforms.
   set_sources_assignment_filter([])
   sources = [
-    "audio_decode_scheduler_unittest.cc",
     "audio_player_unittest.cc",
     "chromoting_client_runtime_unittest.cc",
     "client_status_logger_unittest.cc",
@@ -165,7 +147,6 @@ source_set("unit_tests") {
 
   deps = [
     ":client",
-    ":test_support",
     "//remoting/proto",
     "//testing/gmock",
     "//testing/gtest",