Add a stub implementation for Mojo AudioDecoder interface

media/mojo/services/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//media/media_options.gni")
 import("//testing/test.gni")
 import("//mojo/public/mojo_application.gni")
 import("//mojo/public/mojo_application_manifest.gni")
 
 # Target naming conventions:
@@ skipping 106 matching lines @@
 
   # TODO(xhwang): Needed because targets can depend on cdm_service directly,
   # which is a bit hacky since we need to access CdmService directly
   # from C++ code (AVDA). In the future we'll make those decoders part of
   # MojoMediaApplication, then we won't need this.
   public_configs = [ ":mojo_media_config" ]
 
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 }
 
+source_set("audio_decoder_service") {
+  sources = [
+    "mojo_audio_decoder_service.cc",
+    "mojo_audio_decoder_service.h",
+  ]
+
+  deps = [
+    ":cdm_service",
+    "//base",
+    "//media",
+    "//media:shared_memory_support",
+    "//media/mojo/common",
+    "//media/mojo/interfaces",
+    "//mojo/common",
+  ]
+}
+
 source_set("renderer_service") {
   sources = [
     "demuxer_stream_provider_shim.cc",
     "demuxer_stream_provider_shim.h",
     "mojo_demuxer_stream_adapter.cc",
     "mojo_demuxer_stream_adapter.h",
     "mojo_renderer_service.cc",
     "mojo_renderer_service.h",
   ]
 
@@ skipping 14 matching lines @@
     "mojo_media_application.h",
     "mojo_media_client.cc",
     "mojo_media_client.h",
     "service_factory_impl.cc",
     "service_factory_impl.h",
   ]
 
   public_configs = [ ":mojo_media_config" ]
 
   deps = [
+    ":audio_decoder_service",
     ":cdm_service",
     ":renderer_service",
     "//base",
     "//media",
     "//mojo/shell/public/cpp",
   ]
 }
 
 source_set("application_factory") {
   sources = [
@@ skipping 96 matching lines @@
   source = "pipeline_apptest_manifest.json"
 }
 
 group("tests") {
   testonly = true
   deps = [
     ":media_apptests",
     ":media_pipeline_integration_apptests",
   ]
 }