Add logging to Intelligibility Enhancer

webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer.h

Index: webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer.h
diff --git a/webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer.h b/webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer.h
index 389f6ae5679cd7e01080c9892ba972c202fc3d0c..dd34201fbd179acd1264eef9dba332d61dc28525 100644
--- a/webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer.h
+++ b/webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer.h
@@ -35,6 +35,8 @@ class IntelligibilityEnhancer : public LappedTransform::Callback {
                           size_t num_render_channels,
                           size_t num_noise_bins);
 
+  ~IntelligibilityEnhancer();
+
   // Sets the capture noise magnitude spectrum estimate.
   void SetCaptureNoiseEstimate(std::vector<float> noise, int gain_db);
 
@@ -112,7 +114,8 @@ class IntelligibilityEnhancer : public LappedTransform::Callback {
   float snr_;
   bool is_active_;
 
-  size_t num_chunks_;
+  unsigned long int num_chunks_;
+  unsigned long int num_active_chunks_;
 
   std::vector<float> noise_estimation_buffer_;
   SwapQueue<std::vector<float>, RenderQueueItemVerifier<float>>