Second layer of mixing for audio elements.

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 285 matching lines @@
         'base/djb2.h',
         'base/eme_constants.h',
         'base/key_system_info.cc',
         'base/key_system_info.h',
         'base/key_systems.cc',
         'base/key_systems.h',
         'base/key_systems_support_uma.cc',
         'base/key_systems_support_uma.h',
         'base/keyboard_event_counter.cc',
         'base/keyboard_event_counter.h',
+        'base/loopback_audio_converter.cc',
+        'base/loopback_audio_converter.h',
         'base/mac/avfoundation_glue.h',
         'base/mac/avfoundation_glue.mm',
         'base/mac/coremedia_glue.h',
         'base/mac/coremedia_glue.mm',
         'base/mac/corevideo_glue.h',
         'base/mac/video_frame_mac.cc',
         'base/mac/video_frame_mac.h',
         'base/mac/videotoolbox_glue.h',
         'base/mac/videotoolbox_glue.mm',
         'base/media.cc',
@@ skipping 1818 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }