Pass camera facing info to audio client

media/base/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("//build/config/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/config/linux/pkg_config.gni")
 import("//media/media_options.gni")
@@ skipping 232 matching lines @@
     "time_source.h",
     "timestamp_constants.h",
     "user_input_monitor.cc",
     "user_input_monitor.h",
     "video_codecs.cc",
     "video_codecs.h",
     "video_decoder.cc",
     "video_decoder.h",
     "video_decoder_config.cc",
     "video_decoder_config.h",
+    "video_facing.cc",
+    "video_facing.h",
     "video_frame.cc",
     "video_frame.h",
     "video_frame_metadata.cc",
     "video_frame_metadata.h",
     "video_frame_pool.cc",
     "video_frame_pool.h",
     "video_renderer.cc",
     "video_renderer.h",
     "video_rotation.h",
     "video_types.cc",
@@ skipping 356 matching lines @@
 
 fuzzer_test("media_container_names_fuzzer") {
   sources = [
     "container_names_fuzzertest.cc",
   ]
   deps = [
     "//base",
     "//media",
   ]
 }