Resolves crash related to conflict with latest WebRTC (1008) and the WebRTCAudioDeviceTest unit t...

content/renderer/media/webrtc_audio_device_impl.cc

 // Copyright (c) 2011 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/webrtc_audio_device_impl.h"
 
 #include "base/bind.h"
 #include "base/string_util.h"
 #include "base/win/windows_version.h"
 #include "content/renderer/media/audio_hardware.h"
@@ skipping 810 matching lines @@
   NOTIMPLEMENTED();
   return -1;
 }
 
 int32_t WebRtcAudioDeviceImpl::MicrophoneBoost(bool* enabled) const {
   NOTIMPLEMENTED();
   return -1;
 }
 
 int32_t WebRtcAudioDeviceImpl::StereoPlayoutIsAvailable(bool* available) const {
-  DVLOG(2) << "WARNING: WebRtcAudioDeviceImpl::StereoPlayoutIsAvailable() "
-           << "NOT IMPLEMENTED";
-  *available = false;
+  DCHECK(initialized_) << "Init() must be called first.";
+  *available = (output_channels_ == 2);
   return 0;
 }
 
 int32_t WebRtcAudioDeviceImpl::SetStereoPlayout(bool enable) {
   DVLOG(2) << "WARNING: WebRtcAudioDeviceImpl::SetStereoPlayout() "
            << "NOT IMPLEMENTED";
   return 0;
 }
 
 int32_t WebRtcAudioDeviceImpl::StereoPlayout(bool* enabled) const {
   DVLOG(2) << "WARNING: WebRtcAudioDeviceImpl::StereoPlayout() "
            << "NOT IMPLEMENTED";
   return 0;
 }
 
 int32_t WebRtcAudioDeviceImpl::StereoRecordingIsAvailable(
     bool* available) const {
-  DVLOG(2) << "WARNING: WebRtcAudioDeviceImpl::StereoRecordingIsAvailable() "
-           << "NOT IMPLEMENTED";
+  DCHECK(initialized_) << "Init() must be called first.";
+  *available = (input_channels_ == 2);
   return 0;
 }
 
 int32_t WebRtcAudioDeviceImpl::SetStereoRecording(bool enable) {
   DVLOG(2) << "WARNING: WebRtcAudioDeviceImpl::SetStereoRecording() "
            << "NOT IMPLEMENTED";
   return -1;
 }
 
 int32_t WebRtcAudioDeviceImpl::StereoRecording(bool* enabled) const {
@@ skipping 102 matching lines @@
 }
 
 int32_t WebRtcAudioDeviceImpl::GetLoudspeakerStatus(bool* enabled) const {
   NOTIMPLEMENTED();
   return -1;
 }
 
 void WebRtcAudioDeviceImpl::SetSessionId(int session_id) {
   session_id_ = session_id;
 }