Introduce AudioHardwareConfig for renderer side audio device info.

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 PulseAudio library.
     'use_pulseaudio%': 0,
     # Override to dynamically link the cras (ChromeOS audio) library.
@@ skipping 168 matching lines @@
         'base/android/media_player_bridge_manager.h',
         'base/audio_capturer_source.h',
         'base/audio_converter.cc',
         'base/audio_converter.h',
         'base/audio_decoder.cc',
         'base/audio_decoder.h',
         'base/audio_decoder_config.cc',
         'base/audio_decoder_config.h',
         'base/audio_fifo.cc',
         'base/audio_fifo.h',
+        'base/audio_hardware_config.cc',
+        'base/audio_hardware_config.h',
         'base/audio_pull_fifo.cc',
         'base/audio_pull_fifo.h',
         'base/audio_renderer.cc',
         'base/audio_renderer.h',
         'base/audio_renderer_sink.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_splicer.cc',
@@ skipping 563 matching lines @@
         'audio/virtual_audio_output_stream_unittest.cc',
         'audio/win/audio_device_listener_win_unittest.cc',
         'audio/win/audio_low_latency_input_win_unittest.cc',
         'audio/win/audio_low_latency_output_win_unittest.cc',
         'audio/win/audio_output_win_unittest.cc',
         'audio/win/audio_unified_win_unittest.cc',
         'audio/win/core_audio_util_win_unittest.cc',
         'base/audio_bus_unittest.cc',
         'base/audio_converter_unittest.cc',
         'base/audio_fifo_unittest.cc',
+        'base/audio_hardware_config_unittest.cc',
         'base/audio_pull_fifo_unittest.cc',
         'base/audio_renderer_mixer_input_unittest.cc',
         'base/audio_renderer_mixer_unittest.cc',
         'base/audio_splicer_unittest.cc',
         'base/audio_timestamp_helper_unittest.cc',
         'base/bind_to_loop_unittest.cc',
         'base/bit_reader_unittest.cc',
         'base/channel_mixer_unittest.cc',
         'base/clock_unittest.cc',
         'base/data_buffer_unittest.cc',
@@ skipping 680 matching lines @@
           ],
           'sources': [
             'video/capture/screen/differ_block_sse2.cc',
             'video/capture/screen/differ_block_sse2.h',
           ],
         }, # end of target differ_block_sse2
       ],
     }],
   ],
 }