Move webrtc/audio_*.h to webrtc/api/call

webrtc/api/call/audio_state.h

 /*
  *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
-#ifndef WEBRTC_AUDIO_STATE_H_
-#define WEBRTC_AUDIO_STATE_H_
+#ifndef WEBRTC_API_CALL_AUDIO_STATE_H_
+#define WEBRTC_API_CALL_AUDIO_STATE_H_
 
 #include "webrtc/base/refcount.h"
 #include "webrtc/base/scoped_ref_ptr.h"
 
 namespace webrtc {
 
 class AudioDeviceModule;
 class VoiceEngine;
 
 // WORK IN PROGRESS
@@ skipping 16 matching lines @@
   };
 
   // TODO(solenberg): Replace scoped_refptr with shared_ptr once we can use it.
   static rtc::scoped_refptr<AudioState> Create(
       const AudioState::Config& config);
 
   virtual ~AudioState() {}
 };
 }  // namespace webrtc
 
-#endif  // WEBRTC_AUDIO_STATE_H_
+#endif  // WEBRTC_API_CALL_AUDIO_STATE_H_