Introduce AudioIPCFactory.

content/renderer/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/chromecast_build.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//content/common/features.gni")
 import("//media/media_options.gni")
@@ skipping 201 matching lines @@
     "media/android/stream_texture_factory.cc",
     "media/android/stream_texture_factory.h",
     "media/android/stream_texture_wrapper_impl.cc",
     "media/android/stream_texture_wrapper_impl.h",
     "media/audio_decoder.cc",
     "media/audio_decoder.h",
     "media/audio_device_factory.cc",
     "media/audio_device_factory.h",
     "media/audio_input_message_filter.cc",
     "media/audio_input_message_filter.h",
+    "media/audio_ipc_factory.cc",
+    "media/audio_ipc_factory.h",
     "media/audio_message_filter.cc",
     "media/audio_message_filter.h",
     "media/audio_renderer_mixer_manager.cc",
     "media/audio_renderer_mixer_manager.h",
     "media/audio_renderer_sink_cache.h",
     "media/audio_renderer_sink_cache_impl.cc",
     "media/audio_renderer_sink_cache_impl.h",
     "media/cdm/pepper_cdm_wrapper.h",
     "media/cdm/pepper_cdm_wrapper_impl.cc",
     "media/cdm/pepper_cdm_wrapper_impl.h",
@@ skipping 756 matching lines @@
 # See comment at the top of //content/BUILD.gn for how this works.
 group("for_content_tests") {
   visibility = [ "//content/test/*" ]
 
   if (!is_component_build) {
     public_deps = [
       ":renderer",
     ]
   }
 }