Added support in the AEC for refined filter adaptation.

webrtc/modules/audio_processing/echo_cancellation_impl.h

Index: webrtc/modules/audio_processing/echo_cancellation_impl.h
diff --git a/webrtc/modules/audio_processing/echo_cancellation_impl.h b/webrtc/modules/audio_processing/echo_cancellation_impl.h
index 813019f424c1dbecdce5539e0730502187b24567..ce1ef80841195d9f5e4b0038fffcc8e7440cf92b 100644
--- a/webrtc/modules/audio_processing/echo_cancellation_impl.h
+++ b/webrtc/modules/audio_processing/echo_cancellation_impl.h
@@ -47,6 +47,7 @@ class EchoCancellationImpl : public EchoCancellation {
   bool is_delay_agnostic_enabled() const;
   bool is_extended_filter_enabled() const;
   bool is_aec3_enabled() const;
+  bool is_refined_adaptive_filter_enabled() const;
 
   // Checks whether the module is enabled. Must only be
   // called from the render side of APM as otherwise
@@ -101,6 +102,7 @@ class EchoCancellationImpl : public EchoCancellation {
   bool extended_filter_enabled_ GUARDED_BY(crit_capture_);
   bool delay_agnostic_enabled_ GUARDED_BY(crit_capture_);
   bool aec3_enabled_ GUARDED_BY(crit_capture_);
+  bool refined_adaptive_filter_enabled_ GUARDED_BY(crit_capture_);

[hlundin-webrtc, 2016/04/14 14:02:27]

Any reason not to start using class member initialization? That is, set the
member to false already here and skip it in the ctor.

[peah-webrtc, 2016/04/14 22:12:41]

No, none at all.
Done.

 
   size_t render_queue_element_max_size_ GUARDED_BY(crit_render_)
       GUARDED_BY(crit_capture_);