Move AudioDecoder and related stuff to the api/ directory

webrtc/voice_engine/include/voe_base.h

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 16 matching lines @@
 //  base->StartPlayout(ch);
 //  ...
 //  base->DeleteChannel(ch);
 //  base->Terminate();
 //  base->Release();
 //  VoiceEngine::Delete(voe);
 //
 #ifndef WEBRTC_VOICE_ENGINE_VOE_BASE_H
 #define WEBRTC_VOICE_ENGINE_VOE_BASE_H
 
+#include "webrtc/api/audio_codecs/audio_decoder_factory.h"
 #include "webrtc/base/scoped_ref_ptr.h"
-#include "webrtc/modules/audio_coding/codecs/audio_decoder_factory.h"
+#include "webrtc/common_types.h"
 #include "webrtc/modules/audio_coding/include/audio_coding_module.h"
-#include "webrtc/common_types.h"
 
 namespace webrtc {
 
 class AudioDeviceModule;
 class AudioProcessing;
 class AudioTransport;
 
 // VoiceEngineObserver
 class WEBRTC_DLLEXPORT VoiceEngineObserver {
  public:
@@ skipping 148 matching lines @@
   virtual int AssociateSendChannel(int channel, int accociate_send_channel) = 0;
 
  protected:
   VoEBase() {}
   virtual ~VoEBase() {}
 };
 
 }  // namespace webrtc
 
 #endif  //  WEBRTC_VOICE_ENGINE_VOE_BASE_H