SetVolume and GetVolume take one volume instead of separate left and right vo...

media/audio/fake_audio_output_stream.h

 // Copyright (c) 2009 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.
 //
 // A fake implementation of AudioOutputStream. It is used for testing purpose.
 // TODO(hclam): Implement a thread in this fake output stream to simulate an
 // audio output stream reading from AudioSourceCallback.
 
 #ifndef MEDIA_AUDIO_FAKE_AUDIO_OUTPUT_STREAM_H_
 #define MEDIA_AUDIO_FAKE_AUDIO_OUTOUT_STREAM_H_
 
 #include <vector>
 
 #include "base/scoped_ptr.h"
 #include "media/audio/audio_output.h"
 
 class FakeAudioOutputStream : public AudioOutputStream {
  public:
   static AudioOutputStream* MakeFakeStream();
   static FakeAudioOutputStream* GetLastFakeStream();
 
   virtual bool Open(size_t packet_size);
   virtual void Start(AudioSourceCallback* callback);
   virtual void Stop();
-  virtual void SetVolume(double left_level, double right_level);
-  virtual void GetVolume(double* left_level, double* right_level);
+  virtual void SetVolume(double volume);
+  virtual void GetVolume(double* volume);
   virtual void Close();
 
   char* buffer() { return buffer_.get(); }
-  double left_volume() { return left_volume_; }
-  double right_volume() { return right_volume_; }
+  double volume() { return volume_; }
 
  private:
   FakeAudioOutputStream();
   virtual ~FakeAudioOutputStream() {}
 
   static void DestroyLastFakeStream(void* param);
   static bool has_created_fake_stream_;
   static FakeAudioOutputStream* last_fake_stream_;
 
-  double left_volume_;
-  double right_volume_;
+  double volume_;
   AudioSourceCallback* callback_;
   scoped_array<char> buffer_;
   size_t packet_size_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeAudioOutputStream);
 };
 
 #endif  // MEDIA_AUDIO_FAKE_AUDIO_OUTPUT_STREAM_H_
+