Provide experimental AudioProcessing options at creation.

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 16f43db26f78135840eaf75a65d337140b53361c..76ce92c76d3b9f44122f0bec0c4cce8475c6d014 100644
--- a/content/renderer/media/media_stream_audio_processor.cc
+++ b/content/renderer/media/media_stream_audio_processor.cc
@@ -408,16 +408,20 @@ void MediaStreamAudioProcessor::InitializeAudioProcessingModule(
     return;
   }
 
+  // Experimental options provided at creation.
+  webrtc::Config config;
+  if (goog_experimental_aec)
+    config.Set<webrtc::DelayCorrection>(new webrtc::DelayCorrection(true));
+  if (goog_experimental_ns)
+    config.Set<webrtc::ExperimentalNs>(new webrtc::ExperimentalNs(true));
+
   // Create and configure the webrtc::AudioProcessing.
-  audio_processing_.reset(webrtc::AudioProcessing::Create());
+  audio_processing_.reset(webrtc::AudioProcessing::Create(config));
 
   // Enable the audio processing components.
   if (echo_cancellation) {
     EnableEchoCancellation(audio_processing_.get());
 
-    if (goog_experimental_aec)
-      EnableExperimentalEchoCancellation(audio_processing_.get());
-
     if (playout_data_source_)
       playout_data_source_->AddPlayoutSink(this);
   }
@@ -425,9 +429,6 @@ void MediaStreamAudioProcessor::InitializeAudioProcessingModule(
   if (goog_ns)
     EnableNoiseSuppression(audio_processing_.get());
 
-  if (goog_experimental_ns)
-    EnableExperimentalNoiseSuppression(audio_processing_.get());
-
   if (goog_high_pass_filter)
     EnableHighPassFilter(audio_processing_.get());