Creating the audio_modem component

components/audio_modem/audio_recorder.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_RECORDER_H_
-#define COMPONENTS_COPRESENCE_MEDIUMS_AUDIO_AUDIO_RECORDER_H_
+#ifndef COMPONENTS_AUDIO_MODEM_AUDIO_RECORDER_H_
+#define COMPONENTS_AUDIO_MODEM_AUDIO_RECORDER_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_parameters.h"
 #include "media/base/audio_converter.h"
 
-namespace copresence {
+namespace audio_modem {
 
 // The AudioRecorder class will record audio until told to stop.
 class AudioRecorder {
  public:
   using RecordedSamplesCallback = base::Callback<void(const std::string&)>;
 
   // Initializes the object. Do not use this object before calling this method.
   virtual void Initialize(const RecordedSamplesCallback& decode_callback) = 0;
 
   // If we are already recording, this function will do nothing.
   virtual void Record() = 0;
   // If we are already stopped, this function will do nothing.
   virtual void Stop() = 0;
 
   // Cleans up and deletes this object. Do not use object after this call.
   virtual void Finalize() = 0;
 
  protected:
   virtual ~AudioRecorder() {}
 };
 
-}  // namespace copresence
+}  // namespace audio_modem
 
-#endif  // COMPONENTS_COPRESENCE_MEDIUMS_AUDIO_AUDIO_RECORDER_H_
+#endif  // COMPONENTS_AUDIO_MODEM_AUDIO_RECORDER_H_