Enable new getUserMedia audio constraints algorithm behind a flag.

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>
 #include <vector>
 
@@ skipping 92 matching lines @@
 struct CONTENT_EXPORT AudioProcessingProperties {
   // Creates an AudioProcessingProperties object with fields initialized to
   // their default values.
   AudioProcessingProperties();
   AudioProcessingProperties(const AudioProcessingProperties& other);
   AudioProcessingProperties& operator=(const AudioProcessingProperties& other);
   AudioProcessingProperties(AudioProcessingProperties&& other);
   AudioProcessingProperties& operator=(AudioProcessingProperties&& other);
   ~AudioProcessingProperties();
 
+  // TODO(guidou): Remove this function. http://crbug.com/706408
+  static AudioProcessingProperties FromConstraints(
+      const blink::WebMediaConstraints& constraints,
+      const MediaStreamDevice::AudioDeviceParameters& input_params);
+
   bool enable_sw_echo_cancellation = true;
   bool disable_hw_echo_cancellation = false;
   bool goog_audio_mirroring = false;
   bool goog_auto_gain_control = true;
   bool goog_experimental_echo_cancellation =
 #if defined(OS_ANDROID)
       false;
 #else
       true;
 #endif
@@ skipping 67 matching lines @@
 void StopEchoCancellationDump(AudioProcessing* audio_processing);
 
 void EnableAutomaticGainControl(AudioProcessing* audio_processing);
 
 void GetAudioProcessingStats(
     AudioProcessing* audio_processing,
     webrtc::AudioProcessorInterface::AudioProcessorStats* stats);
 
 // Returns the array geometry from the media constraints if existing and
 // otherwise that provided by the input device.
-CONTENT_EXPORT std::vector<webrtc::Point> GetArrayGeometryPreferringConstraints(
+// TODO(guidou): Remove this function. http://crbug.com/706408
+CONTENT_EXPORT std::vector<media::Point> GetArrayGeometryPreferringConstraints(
     const MediaAudioConstraints& audio_constraints,
     const MediaStreamDevice::AudioDeviceParameters& input_params);
 
+// TODO(guidou): Remove this function. http://crbug.com/706408
+CONTENT_EXPORT bool IsOldAudioConstraints();
+
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_AUDIO_PROCESSOR_OPTIONS_H_