Hook up the experimental ns to APM in chrome.

content/renderer/media/media_stream_audio_processor_options.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/media/media_stream_audio_processor_options.h"
 
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 101 matching lines @@
 #endif
 }
 
 void EnableNoiseSuppression(AudioProcessing* audio_processing) {
   int err = audio_processing->noise_suppression()->set_level(
       webrtc::NoiseSuppression::kHigh);
   err |= audio_processing->noise_suppression()->Enable(true);
   CHECK_EQ(err, 0);
 }
 
+void EnableExperimentalNoiseSuppression(AudioProcessing* audio_processing) {
+  CHECK_EQ(audio_processing->EnableExperimentalNs(true), 0);
+}
+
 void EnableHighPassFilter(AudioProcessing* audio_processing) {
   CHECK_EQ(audio_processing->high_pass_filter()->Enable(true), 0);
 }
 
 void EnableTypingDetection(AudioProcessing* audio_processing,
                            webrtc::TypingDetection* typing_detector) {
   int err = audio_processing->voice_detection()->Enable(true);
   err |= audio_processing->voice_detection()->set_likelihood(
       webrtc::VoiceDetection::kVeryLowLikelihood);
   CHECK_EQ(err, 0);
@@ skipping 40 matching lines @@
   const webrtc::GainControl::Mode mode = webrtc::GainControl::kFixedDigital;
 #else
   const webrtc::GainControl::Mode mode = webrtc::GainControl::kAdaptiveAnalog;
 #endif
   int err = audio_processing->gain_control()->set_mode(mode);
   err |= audio_processing->gain_control()->Enable(true);
   CHECK_EQ(err, 0);
 }
 
 }  // namespace content