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

media/media.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'chromium_code': 1,
     # Override to dynamically link the cras (ChromeOS audio) library.
     'use_cras%': 0,
     # Option e.g. for Linux distributions to link pulseaudio directly
@@ skipping 207 matching lines @@
         'base/audio_decoder_config.cc',
         'base/audio_decoder_config.h',
         'base/audio_discard_helper.cc',
         'base/audio_discard_helper.h',
         'base/audio_fifo.cc',
         'base/audio_fifo.h',
         'base/audio_hardware_config.cc',
         'base/audio_hardware_config.h',
         'base/audio_hash.cc',
         'base/audio_hash.h',
+        'base/audio_output_device_callback_util.cc',
+        'base/audio_output_device_callback_util.h',
         'base/audio_pull_fifo.cc',
         'base/audio_pull_fifo.h',
         'base/audio_renderer.cc',
         'base/audio_renderer.h',
         'base/audio_renderer_mixer.cc',
         'base/audio_renderer_mixer.h',
         'base/audio_renderer_mixer_input.cc',
         'base/audio_renderer_mixer_input.h',
         'base/audio_renderer_sink.h',
         'base/audio_shifter.cc',
@@ skipping 1710 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }