UMA histogram WebRTC.AecDelayBasedQuality updated

content/renderer/media/media_stream_audio_processor.cc

Index: content/renderer/media/media_stream_audio_processor.cc
diff --git a/content/renderer/media/media_stream_audio_processor.cc b/content/renderer/media/media_stream_audio_processor.cc
index 750e682bd06f88de7034a462343e594b8fa2550a..2c560e10007e187d570b1006da12fa69f2a06be1 100644
--- a/content/renderer/media/media_stream_audio_processor.cc
+++ b/content/renderer/media/media_stream_audio_processor.cc
@@ -418,9 +418,7 @@ void MediaStreamAudioProcessor::OnPlayoutDataSourceChanged() {
 void MediaStreamAudioProcessor::GetStats(AudioProcessorStats* stats) {
   stats->typing_noise_detected =
       (base::subtle::Acquire_Load(&typing_detected_) != false);
-  GetAecStats(audio_processing_.get(), stats);
-  if (echo_information_)
-    echo_information_.get()->UpdateAecDelayStats(stats->echo_delay_median_ms);
+  GetAecStats(audio_processing_.get()->echo_cancellation(), stats);
 }
 
 void MediaStreamAudioProcessor::InitializeAudioProcessingModule(
@@ -679,6 +677,10 @@ int MediaStreamAudioProcessor::ProcessData(const float* const* process_ptrs,
     base::subtle::Release_Store(&typing_detected_, detected);
   }
 
+  if (echo_information_) {
+    echo_information_.get()->UpdateAecDelayStats(ap->echo_cancellation());
+  }
+
   // Return 0 if the volume hasn't been changed, and otherwise the new volume.
   return (agc->stream_analog_level() == volume) ?
       0 : agc->stream_analog_level();