Add an initial revision of an audio server.

services/media/audio/BUILD.gn

+# Copyright 2015 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("//mojo/public/mojo_application.gni")
+import("//mojo/public/tools/bindings/mojom.gni")
+
+group("audio") {
+  deps = [
+    ":audio_server",
+  ]
+}
+
+mojo_native_application("audio_server") {
+  deps = [
+    "//base",
+    "//mojo/application",
+    "//mojo/services/media/audio/interfaces",
+    "//mojo/services/media/common/cpp",
+    "//mojo/services/media/common/interfaces",
+    "//services/media/common",
+  ]
+
+  sources = [
+    "audio_output.cc",
+    "audio_output_manager.cc",
+    "audio_pipe.cc",
+    "audio_server_app.cc",
+    "audio_server_impl.cc",
+    "audio_track_impl.cc",
+    "audio_track_to_output_link.cc",
+    "platform/generic/mixer.cc",
+    "platform/generic/mixers/no_op.cc",
+    "platform/generic/mixers/point_sampler.cc",
+    "platform/generic/standard_output_base.cc",
+    "platform/generic/throttle_output.cc",
+  ]
+
+  libs = []
+}