Creating the audio_modem component

components/copresence/copresence_state_impl.h

 // Copyright 2014 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_COPRESENCE_STATE_IMPL_H_
 #define COMPONENTS_COPRESENCE_COPRESENCE_STATE_IMPL_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/observer_list.h"
 #include "components/copresence/proto/enums.pb.h"
 #include "components/copresence/public/copresence_state.h"
 
 namespace copresence {
 
 class Directive;
-struct AudioToken;
 struct ReceivedToken;
 struct TransmittedToken;
 
 // This class tracks the internal state of the copresence component
 // for debugging purposes. CopresenceState only allows observation,
 // but this class accepts updates from elsewhere in the component.
 class CopresenceStateImpl final : public CopresenceState {
  public:
   CopresenceStateImpl();
   ~CopresenceStateImpl() override;
@@ skipping 32 matching lines @@
   std::map<std::string, ReceivedToken> received_tokens_;
 
   ObserverList<CopresenceObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(CopresenceStateImpl);
 };
 
 }  // namespace copresence
 
 #endif  // COMPONENTS_COPRESENCE_COPRESENCE_STATE_IMPL_H_