Getting rid of AudioHardwareConfig and its synchronous IPC.

content/renderer/media/audio_renderer_mixer_manager.cc

 // 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.
 
 #include "content/renderer/media/audio_renderer_mixer_manager.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/sparse_histogram.h"
 #include "build/build_config.h"
 #include "content/renderer/media/audio_renderer_sink_cache.h"
 #include "media/audio/audio_device_description.h"
-#include "media/base/audio_hardware_config.h"
 #include "media/base/audio_renderer_mixer.h"
 #include "media/base/audio_renderer_mixer_input.h"
 
 namespace {
 // Calculate mixer output parameters based on mixer input parameters and
 // hardware parameters for audio output.
 media::AudioParameters GetMixerOutputParams(
     const media::AudioParameters& input_params,
     const media::AudioParameters& hardware_params,
     media::AudioLatency::LatencyType latency) {
@@ skipping 215 matching lines @@
     const url::Origin& security_origin)
     : source_render_frame_id(source_render_frame_id),
       params(params),
       latency(latency),
       device_id(device_id),
       security_origin(security_origin) {}
 
 AudioRendererMixerManager::MixerKey::MixerKey(const MixerKey& other) = default;
 
 }  // namespace content