Restrict deprecated parts of audio API usage to whitelisted apps

extensions/browser/api/audio/audio_service_chromeos.cc

 // Copyright (c) 2013 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 "extensions/browser/api/audio/audio_service.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/callback.h"
@@ skipping 333 matching lines @@
   return true;
 }
 
 AudioDeviceInfo AudioServiceImpl::ToAudioDeviceInfo(
     const chromeos::AudioDevice& device) {
   AudioDeviceInfo info;
   info.id = base::Uint64ToString(device.id);
   info.stream_type = device.is_input
                          ? extensions::api::audio::STREAM_TYPE_INPUT
                          : extensions::api::audio::STREAM_TYPE_OUTPUT;
-  info.is_input = device.is_input;
   info.device_type = GetAsAudioApiDeviceType(device.type);
   info.display_name = device.display_name;
   info.device_name = device.device_name;
   info.is_active = device.active;
-  info.is_muted = device.is_input
-                      ? cras_audio_handler_->IsInputMutedForDevice(device.id)
-                      : cras_audio_handler_->IsOutputMutedForDevice(device.id);
   info.level =
       device.is_input
           ? cras_audio_handler_->GetOutputVolumePercentForDevice(device.id)
           : cras_audio_handler_->GetInputGainPercentForDevice(device.id);
   info.stable_device_id.reset(
       new std::string(base::Uint64ToString(device.stable_device_id)));
 
   return info;
 }
 
@@ skipping 65 matching lines @@
   // Notify DeviceChanged event for backward compatibility.
   // TODO(jennyz): remove this code when the old version of hotrod retires.
   NotifyDeviceChanged();
 }
 
 AudioService* AudioService::CreateInstance() {
   return new AudioServiceImpl;
 }
 
 }  // namespace extensions