Creating the audio_modem component

components/audio_modem/audio_player.h

-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright 2015 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 COMPONENTS_COPRESENCE_MEDIUMS_AUDIO_AUDIO_PLAYER_H_
-#define COMPONENTS_COPRESENCE_MEDIUMS_AUDIO_AUDIO_PLAYER_H_
+#ifndef COMPONENTS_AUDIO_MODEM_AUDIO_PLAYER_H_
+#define COMPONENTS_AUDIO_MODEM_AUDIO_PLAYER_H_
 
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 
 namespace media {
 class AudioBusRefCounted;
 }
 
-namespace copresence {
+namespace audio_modem {
 
 // The AudioPlayerImpl class will play a set of samples till it is told to stop.
 class AudioPlayer {
  public:
   // Initializes the object. Do not use this object before calling this method.
   virtual void Initialize() = 0;
 
   // Play the given samples. These samples will keep on being played in a loop
   // till we explicitly tell the player to stop playing. If we are already
   // playing, this call will be ignored.
   virtual void Play(
       const scoped_refptr<media::AudioBusRefCounted>& samples) = 0;
 
   // Stop playing. If we're already stopped, this call will be ignored.
   virtual void Stop() = 0;
 
   // Cleans up and deletes this object. Do not use object after this call.
   virtual void Finalize() = 0;
 
  protected:
   virtual ~AudioPlayer() {}
 };
 
-}  // namespace copresence
+}  // namespace audio_modem
 
-#endif  // COMPONENTS_COPRESENCE_MEDIUMS_AUDIO_AUDIO_PLAYER_H_
+#endif  // COMPONENTS_AUDIO_MODEM_AUDIO_PLAYER_H_