Revert of Roll WebRTC 8176:8203, Libjingle 8174:8202

content/renderer/media/webrtc_audio_device_not_impl.cc

Index: content/renderer/media/webrtc_audio_device_not_impl.cc
diff --git a/content/renderer/media/webrtc_audio_device_not_impl.cc b/content/renderer/media/webrtc_audio_device_not_impl.cc
index 234bf87f7d33124111a4065e6ae4b3dfb6b8f70c..dd16ddfc3d27357fb52dde6c904ec7a1decf5822 100644
--- a/content/renderer/media/webrtc_audio_device_not_impl.cc
+++ b/content/renderer/media/webrtc_audio_device_not_impl.cc
@@ -8,6 +8,10 @@
 
 WebRtcAudioDeviceNotImpl::WebRtcAudioDeviceNotImpl()
     : last_process_time_(base::TimeTicks::Now()) {
+}
+
+int32_t WebRtcAudioDeviceNotImpl::ChangeUniqueId(const int32_t id) {
+  return 0;
 }
 
 int64_t WebRtcAudioDeviceNotImpl::TimeUntilNextProcess() {