Deleting the copresence API.

components/copresence/handlers/audio/audio_directive_handler.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_HANDLERS_AUDIO_AUDIO_DIRECTIVE_HANDLER_H_
-#define COMPONENTS_COPRESENCE_HANDLERS_AUDIO_AUDIO_DIRECTIVE_HANDLER_H_
-
-#include <string>
-
-#include "components/audio_modem/public/whispernet_client.h"
-
-namespace copresence {
-
-class Directive;
-
-// The AudioDirectiveHandler handles audio transmit and receive instructions.
-class AudioDirectiveHandler {
- public:
-  virtual ~AudioDirectiveHandler() {}
-
-  // Do not use this class before calling this.
-  virtual void Initialize(audio_modem::WhispernetClient* whispernet_client,
-                          const audio_modem::TokensCallback& tokens_cb) = 0;
-
-  // Adds an instruction to our handler. The instruction will execute and be
-  // removed after the ttl expires.
-  virtual void AddInstruction(const Directive& directive,
-                              const std::string& op_id) = 0;
-
-  // Removes all instructions associated with this operation id.
-  virtual void RemoveInstructions(const std::string& op_id) = 0;
-
-  // Returns the currently playing token.
-  virtual const std::string PlayingToken(audio_modem::AudioType type) const = 0;
-
-  // Returns if we have heard the currently playing audio token.
-  virtual bool IsPlayingTokenHeard(audio_modem::AudioType type) const = 0;
-};
-
-}  // namespace copresence
-
-#endif  // COMPONENTS_COPRESENCE_HANDLERS_AUDIO_AUDIO_DIRECTIVE_HANDLER_H_