Added support in the AEC for refined filter adaptation.

webrtc/modules/audio_processing/echo_cancellation_impl.cc

Index: webrtc/modules/audio_processing/echo_cancellation_impl.cc
diff --git a/webrtc/modules/audio_processing/echo_cancellation_impl.cc b/webrtc/modules/audio_processing/echo_cancellation_impl.cc
index 1c3ebe4abb5901ba7b44bf329b6087adc249f864..b2a933b2c0e0d04acf12a979904b8d70410a8754 100644
--- a/webrtc/modules/audio_processing/echo_cancellation_impl.cc
+++ b/webrtc/modules/audio_processing/echo_cancellation_impl.cc
@@ -360,6 +360,11 @@ bool EchoCancellationImpl::is_next_generation_aec_enabled() const {
   return next_generation_aec_enabled_;
 }
 
+bool EchoCancellationImpl::is_refined_adaptive_filter_enabled() const {
+  rtc::CritScope cs(crit_capture_);
+  return refined_adaptive_filter_enabled_;
+}
+
 bool EchoCancellationImpl::is_extended_filter_enabled() const {
   rtc::CritScope cs(crit_capture_);
   return extended_filter_enabled_;
@@ -451,6 +456,8 @@ void EchoCancellationImpl::SetExtraOptions(const Config& config) {
     rtc::CritScope cs(crit_capture_);
     extended_filter_enabled_ = config.Get<ExtendedFilter>().enabled;
     delay_agnostic_enabled_ = config.Get<DelayAgnostic>().enabled;
+    refined_adaptive_filter_enabled_ =
+        config.Get<RefinedAdaptiveFilter>().enabled;
     next_generation_aec_enabled_ = config.Get<NextGenerationAec>().enabled;
   }
   Configure();
@@ -494,6 +501,9 @@ int EchoCancellationImpl::ConfigureHandle(void* handle) const {
   WebRtcAec_enable_next_generation_aec(
       WebRtcAec_aec_core(static_cast<Handle*>(handle)),
       next_generation_aec_enabled_ ? 1 : 0);
+  WebRtcAec_enable_refined_adaptive_filter(
+      WebRtcAec_aec_core(static_cast<Handle*>(handle)),
+      refined_adaptive_filter_enabled_);
   return WebRtcAec_set_config(static_cast<Handle*>(handle), config);
 }