Provide experimental AudioProcessing options at creation.

content/renderer/media/media_stream_audio_processor_options.cc

Index: content/renderer/media/media_stream_audio_processor_options.cc
diff --git a/content/renderer/media/media_stream_audio_processor_options.cc b/content/renderer/media/media_stream_audio_processor_options.cc
index d3299929056c0395a514ff5b128972af1b5b556e..9d2f5ee58c0c27d5a5ba77c7d51458332cafbf9d 100644
--- a/content/renderer/media/media_stream_audio_processor_options.cc
+++ b/content/renderer/media/media_stream_audio_processor_options.cc
@@ -233,12 +233,6 @@ void EnableNoiseSuppression(AudioProcessing* audio_processing) {
   CHECK_EQ(err, 0);
 }
 
-void EnableExperimentalNoiseSuppression(AudioProcessing* audio_processing) {
-  webrtc::Config config;
-  config.Set<webrtc::ExperimentalNs>(new webrtc::ExperimentalNs(true));
-  audio_processing->SetExtraOptions(config);
-}
-
 void EnableHighPassFilter(AudioProcessing* audio_processing) {
   CHECK_EQ(audio_processing->high_pass_filter()->Enable(true), 0);
 }
@@ -254,12 +248,6 @@ void EnableTypingDetection(AudioProcessing* audio_processing,
   typing_detector->SetParameters(0, 0, 0, 0, 0, 100);
 }
 
-void EnableExperimentalEchoCancellation(AudioProcessing* audio_processing) {
-  webrtc::Config config;
-  config.Set<webrtc::DelayCorrection>(new webrtc::DelayCorrection(true));
-  audio_processing->SetExtraOptions(config);
-}
-
 void StartEchoCancellationDump(AudioProcessing* audio_processing,
                                base::File aec_dump_file) {
   DCHECK(aec_dump_file.IsValid());