Major AEC3 render pipeline changes

webrtc/modules/audio_processing/aec3/echo_canceller3.h

Index: webrtc/modules/audio_processing/aec3/echo_canceller3.h
diff --git a/webrtc/modules/audio_processing/aec3/echo_canceller3.h b/webrtc/modules/audio_processing/aec3/echo_canceller3.h
index f1a7f38b3a5965fb4f896373e4115ed5e42b68c8..aa19c05001509349af466f1cecf36077897ffbc6 100644
--- a/webrtc/modules/audio_processing/aec3/echo_canceller3.h
+++ b/webrtc/modules/audio_processing/aec3/echo_canceller3.h
@@ -71,7 +71,7 @@ class EchoCanceller3 {
   ~EchoCanceller3();
   // Analyzes and stores an internal copy of the split-band domain render
   // signal.
-  bool AnalyzeRender(AudioBuffer* farend);
+  void AnalyzeRender(AudioBuffer* farend);
   // Analyzes the full-band domain capture signal to detect signal saturation.
   void AnalyzeCapture(AudioBuffer* capture);
   // Processes the split-band domain capture signal in order to remove any echo
@@ -96,9 +96,8 @@ class EchoCanceller3 {
  private:
   class RenderWriter;
 
-  // Empties the render SwapQueue. A bool is returned that indicates the success
-  // of the operation.
-  bool EmptyRenderQueue();
+  // Empties the render SwapQueue.
+  void EmptyRenderQueue();
 
   rtc::RaceChecker capture_race_checker_;
   rtc::RaceChecker render_race_checker_;