Surface the IntelligibilityEnhancer on MediaConstraints

webrtc/modules/audio_device/audio_device_impl.h

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 174 matching lines @@
   int32_t GetLoudspeakerStatus(bool* enabled) const override;
 
   bool BuiltInAECIsEnabled() const override;
   bool BuiltInAECIsAvailable() const override;
   int32_t EnableBuiltInAEC(bool enable) override;
   bool BuiltInAGCIsAvailable() const override;
   int32_t EnableBuiltInAGC(bool enable) override;
   bool BuiltInNSIsAvailable() const override;
   int32_t EnableBuiltInNS(bool enable) override;
 
+  bool IntelligibilityIsEnabled() const override;
+
   int GetPlayoutAudioParameters(AudioParameters* params) const override;
   int GetRecordAudioParameters(AudioParameters* params) const override;
 
   int32_t Id() { return _id; }
 #if defined(WEBRTC_ANDROID)
   // Only use this acccessor for test purposes on Android.
   AudioManager* GetAndroidAudioManagerForTest() {
     return _audioManagerAndroid.get();
   }
 #endif
@@ skipping 21 matching lines @@
   PlatformType _platformType;
   bool _initialized;
   mutable ErrorCode _lastError;
 };
 
 }  // namespace webrtc
 
 #endif  // defined(WEBRTC_INCLUDE_INTERNAL_AUDIO_DEVICE)
 
 #endif  // WEBRTC_MODULES_INTERFACE_AUDIO_DEVICE_IMPL_H_