Add support for the audio-output-device switching IPC mechanism to the renderer lower layers (media…

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 18 matching lines @@
     "audio_decoder_config.cc",
     "audio_decoder_config.h",
     "audio_discard_helper.cc",
     "audio_discard_helper.h",
     "audio_fifo.cc",
     "audio_fifo.h",
     "audio_hardware_config.cc",
     "audio_hardware_config.h",
     "audio_hash.cc",
     "audio_hash.h",
+    "audio_output_device_callback_util.cc",
+    "audio_output_device_callback_util.h",
     "audio_pull_fifo.cc",
     "audio_pull_fifo.h",
     "audio_renderer.cc",
     "audio_renderer.h",
     "audio_renderer_mixer.cc",
     "audio_renderer_mixer.h",
     "audio_renderer_mixer_input.cc",
     "audio_renderer_mixer_input.h",
     "audio_renderer_sink.h",
     "audio_shifter.cc",
@@ skipping 464 matching lines @@
       if (is_posix) {
         yasm_flags += [ "-DELF" ]
         if (current_cpu == "x64") {
           # TODO(ajwong): Why isn't this true in mac?
           yasm_flags += [ "-DPIC" ]
         }
       }
     }
   }
 }