Revert 237311 "Added an "enable-audio-processor" flag and WebRtc..."

trunk/src/content/renderer/media/media_stream_audio_processor_options.h

-// 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.
-
-#ifndef CONTENT_RENDERER_MEDIA_MEDIA_STREAM_AUDIO_PROCESSOR_OPTIONS_H_
-#define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_AUDIO_PROCESSOR_OPTIONS_H_
-
-#include <string>
-
-namespace webrtc {
-
-class AudioFrame;
-class AudioProcessing;
-class MediaConstraintsInterface;
-
-}
-
-namespace content {
-
-using webrtc::AudioProcessing;
-using webrtc::MediaConstraintsInterface;
-
-// Gets the property named by |key| from the |constraints|.
-// Returns true if the key is found and has a valid boolean value; Otherwise
-// false.
-bool GetPropertyFromConstraints(
-    const MediaConstraintsInterface* constraints,
-    const std::string& key);
-
-// Enables the echo cancellation in |audio_processing|.
-void EnableEchoCancellation(AudioProcessing* audio_processing);
-
-// Enables the noise suppression in |audio_processing|.
-void EnableNoiseSuppression(AudioProcessing* audio_processing);
-
-// Enables the high pass filter in |audio_processing|.
-void EnableHighPassFilter(AudioProcessing* audio_processing);
-
-// Enables the typing detection in |audio_processing|.
-void EnableTypingDetection(AudioProcessing* audio_processing);
-
-// Enables the experimental echo cancellation in |audio_processing|.
-void EnableExperimentalEchoCancellation(AudioProcessing* audio_processing);
-
-// Starts the echo cancellation dump in |audio_processing|.
-void StartAecDump(AudioProcessing* audio_processing);
-
-// Stops the echo cancellation dump in |audio_processing|.
-void StopAecDump(AudioProcessing* audio_processing);
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_AUDIO_PROCESSOR_OPTIONS_H_