Add GetAssociatedOutputDeviceID support to pulse.

media/audio/pulse/audio_manager_pulse.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 MEDIA_AUDIO_PULSE_AUDIO_MANAGER_PULSE_H_
 #define MEDIA_AUDIO_PULSE_AUDIO_MANAGER_PULSE_H_
 
 #include <pulse/pulseaudio.h>
 #include <string>
 
@@ skipping 31 matching lines @@
       const std::string& device_id,
       const LogCallback& log_callback) override;
   AudioInputStream* MakeLinearInputStream(
       const AudioParameters& params,
       const std::string& device_id,
       const LogCallback& log_callback) override;
   AudioInputStream* MakeLowLatencyInputStream(
       const AudioParameters& params,
       const std::string& device_id,
       const LogCallback& log_callback) override;
+  std::string GetAssociatedOutputDeviceID(
+      const std::string& input_device_id) override;
 
  protected:
   ~AudioManagerPulse() override;
 
   AudioParameters GetPreferredOutputStreamParameters(
       const std::string& output_device_id,
       const AudioParameters& input_params) override;
 
  private:
   bool InitPulse();
@@ skipping 30 matching lines @@
   pa_context* input_context_;
   AudioDeviceNames* devices_;
   int native_input_sample_rate_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioManagerPulse);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_PULSE_AUDIO_MANAGER_PULSE_H_